error CS1061: 'QuestionData' does not contain a definition for 'textoDaPergunta' and no accessible extension method 'textoDaPergunta' accepting a first argument of type 'QuestionData' could be found

No encuentro el ERROR que podría estar fallando, alguien que me pueda ayudar:

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; using UnityEngine.SceneManagement;

public class GameController : MonoBehaviour{

 public Text textoPergunta;
 public Text textoPontos;
 public Text textoTimer;
 public Text $$anonymous$$ghScoreText;

 public SimpleObjectPool answerButtonObjectPool;
 public Transform answerButtonParent;
 public GameObject painelDePerguntas;
 public GameObject painelFimRodada;
     
 private DataController dataController;
 private RoundData rodadaAtual;
 private QuestionData [] questionPool;

 private bool rodadaAtiva;
 private float tempoRestante;
 private int questionIndex;
 private int playerScore;

 List<int> usedValues = new List<int>();

 private List<GameObject> answerButtonGameObjects = new List<GameObject>();
 
 // Start is called before the first frame update
 void Start() {
     
     dataController = FindObjectOfType<DataController>();
     rodadaAtual = dataController.GetCurrentRoundData();

     questionPool = rodadaAtual.perguntas;
     tempoRestante = rodadaAtual.limiteDeTempo; 

     UpdateTimer();

     playerScore = 0;
     questionIndex = 0;
     ShowQuestion();
     rodadaAtiva = true;
 }

 // Update is called once per frame
 void Update() {
     
     if (rodadaAtiva)
     {
         tempoRestante -= Time.deltaTime;
         UpdateTimer();
         if(tempoRestante <= 0)
         {
             EndRound();
 }

} } private void UpdateTimer() { textoTimer.text = "Timer: " + Mathf.Round(tempoRestante).ToString(); } private void ShowQuestion() { RemoveAnswerButtons(); int random = Random.Range(0, questionPool.Length); w$$anonymous$$le (usedValues.Contains(random)) { random = Random.Range(0, questionPool.Length); }

 QuestionData questionData = questionPool[random];
 usedValues.Add(random);
 textoPergunta.text = questionData.textoDaPergunta;

 for (int i = 0; i < questionData.respostas.Length; i++)
  {
     GameObject answerButtongameObject = answerButtonObjectPool.GetObject();

     answerButtongameObject.transform.SetParent(answerButtonParent);

     answerButtonGameObjects.Add(answerButtongameObject);

     AnswerButton answerButton = answerButtongameObject.GetComponent<AnswerButton>();
     answerButton.Setup(questionData.respostas[i]);
     }
     }

 private void RemoveAnswerButtons()
  {
     w$$anonymous$$le(answerButtonGameObjects.Count > 0)
     {
         answerButtonObjectPool.ReturnObject(answerButtonGameObjects[0]);
         answerButtonGameObjects.RemoveAt(0);

} }

     public void AnswerButtonClicked(bool estaCorreto)
      {
         if (estaCorreto)
          {
             playerScore += rodadaAtual.pontosPorAcerto;
             textoPontos.text = "Score: " + playerScore.ToString();
               }
               if(questionPool.Length > questionIndex + 1)
               {
                 questionIndex++;
                 ShowQuestion();
                   }
                   else
                   {
                     EndRound();
                     }
                     }
             public void EndRound()
             {
                 rodadaAtiva = false;

                 painelDePerguntas.SetActive(false);
                 painelFimRodada.SetActive(true);
                 }

             public void ReturnToMenu()
             {
                 SceneManager.LoadScene("Menu");
                }
                }