Question: when did the 1st transformers movie come out
[{'answer': 'June 10 , 2007', 'provenance': [{'wikipedia_id': '2236472', 'title': 'Transformers (film)', 'start_paragraph_id': 67, 'start_character': 62, 'end_paragraph_id': 67, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}, {'provenance': [{'wikipedia_id': '2236472', 'title': 'Transformers (film)', 'start_paragraph_id': 67, 'start_character': 0, 'end_paragraph_id': 67, 'end_character': 643, 'bleu_score': 0.982060959997838, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16444860785129323799}, 'section': 'Section::::Release.\n'}]}]