Question: who wrote the lyrics for the grateful dead
[{'answer': 'Robert C. Hunter', 'provenance': [{'wikipedia_id': '191818', 'title': 'Robert Hunter (lyricist)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '191818', 'title': 'Robert Hunter (lyricist)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 0.701088303858115, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8726385961069703697}, 'section': 'Section::::Abstract.'}]}]