Question: how many episodes are in season 10 of 90210
[{'answer': '27', 'provenance': [{'wikipedia_id': '34190588', 'title': 'Beverly Hills, 90210 (season 10)', 'start_paragraph_id': 1, 'start_character': 230, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]