Question: when did the first godfather movie come out
[{'answer': 'March 15 , 1972', 'provenance': [{'wikipedia_id': '15072865', 'title': 'The Godfather (film series)', 'start_paragraph_id': 4, 'start_character': 32, 'end_paragraph_id': 4, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Film series.:"The Godfather".\n'}]}, {'provenance': [{'wikipedia_id': '15072865', 'title': 'The Godfather (film series)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1138, 'bleu_score': 0.9900741345671201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4822944337449426032}, 'section': 'Section::::Film series.:"The Godfather".\n'}]}]