Question: who plays alex in wizards of waverly place
[{'answer': 'Selena Gomez', 'provenance': [{'wikipedia_id': '19337544', 'title': 'List of Wizards of Waverly Place characters', 'start_paragraph_id': 2, 'start_character': 89, 'end_paragraph_id': 2, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19337544', 'title': 'List of Wizards of Waverly Place characters', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1035, 'bleu_score': 0.988795076120877, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8913922729184842466}, 'section': 'Section::::Abstract.'}]}]