Question: when did the raiders move to los angeles
[{'answer': '1982', 'provenance': [{'wikipedia_id': '49105514', 'title': 'History of the Los Angeles Raiders', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49105514', 'title': 'History of the Los Angeles Raiders', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 967, 'bleu_score': 0.930142274361574, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13935400925583678138}, 'section': 'Section::::History.:Start.\n'}]}]