Question: who was the piano player in battlestar galactica
[{'answer': 'Roark Critchlow', 'provenance': [{'wikipedia_id': '21097716', 'title': 'Someone to Watch Over Me (Battlestar Galactica)', 'start_paragraph_id': 14, 'start_character': 649, 'end_paragraph_id': 14, 'end_character': 664, 'bleu_score': 1.0, 'section': 'Section::::Critical reception.\n'}]}, {'provenance': [{'wikipedia_id': '21097716', 'title': 'Someone to Watch Over Me (Battlestar Galactica)', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 1079, 'bleu_score': 0.988731944750971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2473124931755129388}, 'section': 'Section::::Critical reception.\n'}]}]