Question: who is the lead singer of living color
[{'answer': 'Corey Glover', 'provenance': [{'wikipedia_id': '150017', 'title': 'Living Colour', 'start_paragraph_id': 8, 'start_character': 65, 'end_paragraph_id': 8, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::History.:Mainstream success (1986–1991).\n'}]}]