Question: when did switched at birth season 5 start
[{'answer': 'January 31 , 2017', 'provenance': [{'wikipedia_id': '48687791', 'title': 'Switched at Birth (season 5)', 'start_paragraph_id': 1, 'start_character': 190, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]