Question: who sings i want to know what love is on modern family
[{'answer': 'Harold Grossman', 'provenance': [{'wikipedia_id': '41086718', 'title': 'A Fair to Remember (Modern Family)', 'start_paragraph_id': 4, 'start_character': 535, 'end_paragraph_id': 4, 'end_character': 550, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]