Question: urdu is the official language of which state
[{'answer': 'Pakistan', 'provenance': [{'wikipedia_id': '32231', 'title': 'Urdu', 'start_paragraph_id': 1, 'start_character': 201, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32231', 'title': 'Urdu', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 474, 'bleu_score': 0.6803473861002961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12224986956587427136}, 'section': 'Section::::Abstract.'}]}]