Question: who is eric clapton singing about in wonderful tonight
[{'answer': 'Pattie Boyd', 'provenance': [{'wikipedia_id': '2254142', 'title': 'Wonderful Tonight', 'start_paragraph_id': 1, 'start_character': 138, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2254142', 'title': 'Wonderful Tonight', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 259, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13438262066231024756}, 'section': 'Section::::Abstract.'}]}]