Question: when did the first iron man come out
[{'answer': '2008', 'provenance': [{'wikipedia_id': '5676692', 'title': 'Iron Man (2008 film)', 'start_paragraph_id': 0, 'start_character': 10, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5676692', 'title': 'Iron Man (2008 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 547, 'bleu_score': 0.5427638564980081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 604849020885427287}, 'section': 'Section::::Abstract.'}]}]