Question: when was only fools and horses first shown
[{'answer': '1981', 'provenance': [{'wikipedia_id': '200842', 'title': 'Only Fools and Horses', 'start_paragraph_id': 1, 'start_character': 168, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '200842', 'title': 'Only Fools and Horses', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 362, 'bleu_score': 0.817739732978178, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 794027846495985574}, 'section': 'Section::::Abstract.'}]}]