Question: who won the wizard tournament in wizards of waverly place
[{'answer': 'Alex', 'provenance': [{'wikipedia_id': '27622417', 'title': 'Wizards of Waverly Place (season 4)', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27622417', 'title': 'Wizards of Waverly Place (season 4)', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 477, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4809145281872589321}, 'section': 'Section::::Synopsis.\n'}]}]