Question: who is in charge of the met police
[{'answer': 'Cressida Dick', 'provenance': [{'wikipedia_id': '607900', 'title': 'Commissioner of Police of the Metropolis', 'start_paragraph_id': 1, 'start_character': 98, 'end_paragraph_id': 1, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '607900', 'title': 'Commissioner of Police of the Metropolis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 177, 'bleu_score': 0.613615736925826, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15406000075035938256}, 'section': 'Section::::Abstract.'}]}]