Question: how many episodes are in the fifth season of the fosters
[{'answer': '22', 'provenance': [{'wikipedia_id': '54391024', 'title': 'The Fosters (season 5)', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]