Question: who is the director of iron man 3
[{'answer': 'Shane Black', 'provenance': [{'wikipedia_id': '22144990', 'title': 'Iron Man 3', 'start_paragraph_id': 1, 'start_character': 324, 'end_paragraph_id': 1, 'end_character': 335, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22144990', 'title': 'Iron Man 3', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 753, 'bleu_score': 0.71110334015484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15319614530408543564}, 'section': 'Section::::Abstract.'}]}]