Question: when did the first hangover movie come out
[{'answer': 'June 5 , 2009', 'provenance': [{'wikipedia_id': '21918632', 'title': 'The Hangover', 'start_paragraph_id': 3, 'start_character': 31, 'end_paragraph_id': 3, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21918632', 'title': 'The Hangover', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 698, 'bleu_score': 0.8911243362408551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11740534722223576532}, 'section': 'Section::::Abstract.'}]}]