Question: what is the country code of los angeles
[{'answer': '213', 'provenance': [{'wikipedia_id': '932862', 'title': 'Area codes 213 and 323', 'start_paragraph_id': 0, 'start_character': 11, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '323', 'provenance': [{'wikipedia_id': '932862', 'title': 'Area codes 213 and 323', 'start_paragraph_id': 0, 'start_character': 19, 'end_paragraph_id': 0, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '932862', 'title': 'Area codes 213 and 323', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 468, 'bleu_score': 0.709335418230157, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8990965492041201448}, 'section': 'Section::::Abstract.'}]}]