Question: when was the first freeway built in los angeles
[{'answer': '1940', 'provenance': [{'wikipedia_id': '460066', 'title': 'Arroyo Seco Parkway', 'start_paragraph_id': 1, 'start_character': 257, 'end_paragraph_id': 1, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '460066', 'title': 'Arroyo Seco Parkway', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 0.9170430795123211, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9416085205807882237}, 'section': 'Section::::Abstract.'}]}]