Question: who was the prime minister of united kingdom when india become independent
[{'answer': 'Clement Attlee'}, {'provenance': [{'wikipedia_id': '1517803', 'title': 'Indian Independence Act 1947', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 267, 'bleu_score': 0.64698170459835, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 865231036375797576}, 'section': 'Section::::Abstract.'}]}]