Question: how many episodes does gotham season 3 have
[{'answer': '22', 'provenance': [{'wikipedia_id': '54857805', 'title': 'Gotham (season 3)', 'start_paragraph_id': 49, 'start_character': 45, 'end_paragraph_id': 49, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Production.:Development.\n'}]}]