Question: when did laverne and shirley move to california
[{'answer': 'the sixth season in 1980', 'provenance': [{'wikipedia_id': '177780', 'title': 'Laverne & Shirley', 'start_paragraph_id': 11, 'start_character': 4, 'end_paragraph_id': 11, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Plot.:Seasons 6–8.\n'}]}, {'provenance': [{'wikipedia_id': '177780', 'title': 'Laverne & Shirley', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 782, 'bleu_score': 0.9052667306681931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3626573480419448097}, 'section': 'Section::::Plot.:Seasons 6–8.\n'}]}]