Question: where is the headquater of the united nations situated
[{'answer': 'New York City', 'provenance': [{'wikipedia_id': '11954290', 'title': 'List of United Nations organizations by location', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11954290', 'title': 'List of United Nations organizations by location', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 0.8283995163558051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18002508798750333119}, 'section': 'Section::::Abstract.'}]}]