Question: how many movies did fred and ginger do together
[{'answer': '10', 'provenance': [{'wikipedia_id': '26963217', 'title': 'Fred Astaire and Ginger Rogers', 'start_paragraph_id': 1, 'start_character': 18, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '26963217', 'title': 'Fred Astaire and Ginger Rogers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 303, 'bleu_score': 0.729478207809357, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4192965585288248846}, 'section': 'Section::::Abstract.'}]}]