Question: who played john adams in the musical 1776
[{'answer': 'William Daniels', 'provenance': [{'wikipedia_id': '161607', 'title': '1776 (musical)', 'start_paragraph_id': 39, 'start_character': 397, 'end_paragraph_id': 39, 'end_character': 412, 'bleu_score': 1.0, 'section': 'Section::::Productions.\n'}]}]