Question: when was the first episode of only fools and horses made
[{'answer': '8 September 1981', 'provenance': [{'wikipedia_id': '6682048', 'title': 'List of Only Fools and Horses episodes', 'start_paragraph_id': 1, 'start_character': 146, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6682048', 'title': 'List of Only Fools and Horses episodes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 0.9748377259086851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16251983371309531455}, 'section': 'Section::::Abstract.'}]}]