Question: what was fred astaire and ginger rogers first movie together
[{'answer': 'Flying Down to Rio', 'provenance': [{'wikipedia_id': '26963217', 'title': 'Fred Astaire and Ginger Rogers', 'start_paragraph_id': 4, 'start_character': 65, 'end_paragraph_id': 4, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Beginning (1933–1935).\n'}]}]