Question: what is the lead singer's name from imagine dragons
[{'answer': 'Daniel Coulter Reynolds', 'provenance': [{'wikipedia_id': '11698034', 'title': 'Dan Reynolds (singer)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11698034', 'title': 'Dan Reynolds (singer)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 398, 'bleu_score': 0.871674404675547, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 357400366409883417}, 'section': 'Section::::Abstract.'}]}]