Question: who sings the cw dare to defy song
[{'answer': 'Of Monsters and Men', 'provenance': [{'wikipedia_id': '45702171', 'title': 'Crystals (song)', 'start_paragraph_id': 1, 'start_character': 81, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]