Question: where is the great british sewing bee filmed
[{'answer': 'Metropolitan Wharf in London', 'provenance': [{'wikipedia_id': '39142162', 'title': 'The Great British Sewing Bee', 'start_paragraph_id': 6, 'start_character': 117, 'end_paragraph_id': 6, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Series overview.:Series 2 (2014).\n'}]}, {'provenance': [{'wikipedia_id': '39142162', 'title': 'The Great British Sewing Bee', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 340, 'bleu_score': 0.909992945383792, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6810872783338233154}, 'section': 'Section::::Series overview.:Series 2 (2014).\n'}]}]