Question: when did abbott and costello do who's on first
[{'answer': '1936', 'provenance': [{'wikipedia_id': '106089', 'title': "Who's on First?", 'start_paragraph_id': 4, 'start_character': 249, 'end_paragraph_id': 4, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '106089', 'title': "Who's on First?", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 428, 'bleu_score': 0.9417508877287881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1680827356031150101}, 'section': 'Section::::History.\n'}]}]