Question: which un agency has its head quarters in paris
[{'answer': 'UNESCO', 'provenance': [{'wikipedia_id': '21786641', 'title': 'UNESCO', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21786641', 'title': 'UNESCO', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 442, 'bleu_score': 0.603875784677097, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13953754530883712396}, 'section': 'Section::::Abstract.'}]}]