Question: where is area code 604 located in usa
[{'answer': 'British Columbia', 'provenance': [{'wikipedia_id': '3779627', 'title': 'Area code 604', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3779627', 'title': 'Area code 604', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 266, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11843702829031881718}, 'section': 'Section::::Abstract.'}]}]