Question: what is the state language of arunachal pradesh
[{'answer': 'English', 'provenance': [{'wikipedia_id': '178710', 'title': 'Arunachal Pradesh', 'start_paragraph_id': 128, 'start_character': 97, 'end_paragraph_id': 128, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::Demographics.:Languages.\n'}]}]