Question: what is the main character's name in i am number four
[{'answer': 'John Smith', 'provenance': [{'wikipedia_id': '30841087', 'title': 'I Am Number Four', 'start_paragraph_id': 6, 'start_character': 81, 'end_paragraph_id': 6, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]