Question: how many fire stations are there in london
[{'answer': '103', 'provenance': [{'wikipedia_id': '3088348', 'title': 'London Fire Brigade', 'start_paragraph_id': 114, 'start_character': 24, 'end_paragraph_id': 114, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Stations and equipment.\n'}]}]