Question: where is ground zero located in new york city
[{'answer': 'World Trade Center site', 'provenance': [{'wikipedia_id': '67173', 'title': 'World Trade Center site', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '67173', 'title': 'World Trade Center site', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 519, 'bleu_score': 0.5539586856687541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15020970310682939640}, 'section': 'Section::::Abstract.'}]}]