Question: who started singing take me out to the ballgame
[{'answer': 'broadcaster Harry Caray', 'provenance': [{'wikipedia_id': '941491', 'title': 'Seventh-inning stretch', 'start_paragraph_id': 13, 'start_character': 102, 'end_paragraph_id': 13, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Current practice.\n'}]}, {'provenance': [{'wikipedia_id': '941491', 'title': 'Seventh-inning stretch', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 881, 'bleu_score': 0.9864398934896761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9231244238703280059}, 'section': 'Section::::Current practice.\n'}]}]