Question: where was the old grey whistle test filmed
[{'answer': "`` Pres B ''"}, {'answer': 'BBC Television Centre in west London'}, {'provenance': [{'wikipedia_id': '165403', 'title': 'The Old Grey Whistle Test', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 847, 'bleu_score': 0.922518820674296, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17842714444987779023}, 'section': 'Section::::History.\n'}]}]