Question: where was the prince and the showgirl filmed
[{'answer': 'London', 'provenance': [{'wikipedia_id': '1997332', 'title': 'The Prince and the Showgirl', 'start_paragraph_id': 3, 'start_character': 19, 'end_paragraph_id': 3, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '1997332', 'title': 'The Prince and the Showgirl', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 337, 'bleu_score': 0.926961900599596, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2266817007710795380}, 'section': 'Section::::Abstract.'}]}]