Question: who is the leader of the united kingdom 2017
[{'answer': 'Theresa May'}, {'provenance': [{'wikipedia_id': '24150', 'title': 'Prime Minister of the United Kingdom', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 518, 'bleu_score': 0.5397140016699911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3512710279282707964}, 'section': 'Section::::Abstract.'}]}]