Question: which episode of criminal minds does hotch get stabbed
[{'answer': 'the season four finale', 'provenance': [{'wikipedia_id': '7828145', 'title': 'Aaron Hotchner', 'start_paragraph_id': 19, 'start_character': 271, 'end_paragraph_id': 19, 'end_character': 293, 'bleu_score': 1.0, 'section': 'Section::::Storylines.:"Criminal Minds".\n'}]}, {'provenance': [{'wikipedia_id': '7828145', 'title': 'Aaron Hotchner', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 1110, 'bleu_score': 0.9893329520071461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15275489873393557882}, 'section': 'Section::::Storylines.:"Criminal Minds".\n'}]}]