Question: where is area code 250 in the united states
[{'answer': 'Hyder , Alaska', 'provenance': [{'wikipedia_id': '3493427', 'title': 'Area code 250', 'start_paragraph_id': 1, 'start_character': 267, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3493427', 'title': 'Area code 250', 'start_paragraph_id': 1, 'start_character': 208, 'end_paragraph_id': 1, 'end_character': 334, 'bleu_score': 0.910879922930628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9773597322773818857}, 'section': 'Section::::Abstract.'}]}]