Question: what is the population of metropolitan new york city
[{'answer': '20.3 million', 'provenance': [{'wikipedia_id': '309890', 'title': 'New York metropolitan area', 'start_paragraph_id': 7, 'start_character': 293, 'end_paragraph_id': 7, 'end_character': 305, 'bleu_score': 1.0, 'section': 'Section::::Definitions.:Metropolitan Statistical Area.\n'}]}, {'provenance': [{'wikipedia_id': '309890', 'title': 'New York metropolitan area', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 813, 'bleu_score': 0.783613867386386, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16742093597209400625}, 'section': 'Section::::Abstract.'}]}]