Question: how many troops did great britain have in ww2
[{'answer': 'over 3.5 million men'}, {'provenance': [{'wikipedia_id': '22402815', 'title': 'British Army during the Second World War', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 576, 'bleu_score': 0.9222677068370291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7399314758588773312}, 'section': 'Section::::Abstract.'}]}]