Question: when does season 4 of bates motel start
[{'answer': 'March 7 , 2016', 'provenance': [{'wikipedia_id': '46991105', 'title': 'Bates Motel (season 4)', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46991105', 'title': 'Bates Motel (season 4)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 440, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17120773868885717099}, 'section': 'Section::::Abstract.'}]}]