Question: surname of only fools and horses' del boy
[{'answer': 'Trotter', 'provenance': [{'wikipedia_id': '200842', 'title': 'Only Fools and Horses', 'start_paragraph_id': 2, 'start_character': 101, 'end_paragraph_id': 2, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '200842', 'title': 'Only Fools and Horses', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 500, 'bleu_score': 0.9572799132941561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11930745862724018871}, 'section': 'Section::::Abstract.'}]}]