Question: how many episodes are there in the handmaid's tale season 2
[{'answer': '13', 'provenance': [{'wikipedia_id': '50430110', 'title': "The Handmaid's Tale (TV series)", 'start_paragraph_id': 69, 'start_character': 327, 'end_paragraph_id': 69, 'end_character': 329, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]