Question: how many homes are there in the uk
[{'answer': 'approximately 23 million', 'provenance': [{'wikipedia_id': '48755595', 'title': 'Housing in the United Kingdom', 'start_paragraph_id': 21, 'start_character': 25, 'end_paragraph_id': 21, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Demography.\n'}]}, {'provenance': [{'wikipedia_id': '48755595', 'title': 'Housing in the United Kingdom', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 746, 'bleu_score': 0.9359104902394231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4028048547734515240}, 'section': 'Section::::Demography.\n'}]}]