Question: when did the first episode of the bill air
[{'answer': '16 October 1984', 'provenance': [{'wikipedia_id': '12319016', 'title': 'The Bill', 'start_paragraph_id': 1, 'start_character': 87, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12319016', 'title': 'The Bill', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8876328793231243265}, 'section': 'Section::::Abstract.'}]}]