public void DeleteQuestionFromDatabase(string dataBaseName, string questionQuestionName)
    {
        QuestionDataBase dataBase = QuestionDataBases.Find(database => database.Name == dataBaseName);
        Question         question = dataBase.Questions.First(q => q.QuestionName == questionQuestionName);
        int index = QuestionDataBaseNames.FindIndex(name => name == dataBase.Name);

        if (question != null)
        {
            LocalDataManager.DeleteQuestion(dataBase, question);
            PlayerPrefsManager.DeleteQuestionState(index, question);
            dataBase.Questions.Remove(question);
        }
    }