Question: how many episodes in season 3 of switched at birth
[{'answer': '22', 'provenance': [{'wikipedia_id': '31990324', 'title': 'List of Switched at Birth episodes', 'start_paragraph_id': 1, 'start_character': 453, 'end_paragraph_id': 1, 'end_character': 455, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]