Question: who won the men's singles at queens
[{'answer': 'Feliciano López', 'provenance': [{'wikipedia_id': '1354784', 'title': "Queen's Club Championships", 'start_paragraph_id': 26, 'start_character': 92, 'end_paragraph_id': 26, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Statistics.:Players and winners.\n'}]}]