Question: where was the memphis belle stationed during the war
[{'answer': 'RAF Bassingbourn , England', 'provenance': [{'wikipedia_id': '4699437', 'title': 'Memphis Belle (aircraft)', 'start_paragraph_id': 19, 'start_character': 411, 'end_paragraph_id': 19, 'end_character': 437, 'bleu_score': 1.0, 'section': 'Section::::Combat history.\n'}]}, {'answer': 'RAF Kimbolton', 'provenance': [{'wikipedia_id': '4699437', 'title': 'Memphis Belle (aircraft)', 'start_paragraph_id': 19, 'start_character': 341, 'end_paragraph_id': 19, 'end_character': 354, 'bleu_score': 1.0, 'section': 'Section::::Combat history.\n'}]}, {'provenance': [{'wikipedia_id': '4699437', 'title': 'Memphis Belle (aircraft)', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 632, 'bleu_score': 0.8999866189570881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10146467284325355115}, 'section': 'Section::::Combat history.\n'}]}]