Question: who sings hey mr dj play that song
[{'answer': 'Train', 'provenance': [{'wikipedia_id': '52156499', 'title': 'Play That Song (Train song)', 'start_paragraph_id': 0, 'start_character': 16, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52156499', 'title': 'Play That Song (Train song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 342, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13830751063918018672}, 'section': 'Section::::Abstract.'}]}]