Question: which u.s. supreme court case required states to use the exclusionary rule
[{'answer': 'Mapp v. Ohio', 'provenance': [{'wikipedia_id': '1504970', 'title': 'Exclusionary rule', 'start_paragraph_id': 18, 'start_character': 18, 'end_paragraph_id': 18, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::History of the rule.\n'}]}, {'provenance': [{'wikipedia_id': '1504970', 'title': 'Exclusionary rule', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 244, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5599544240512960425}, 'section': 'Section::::History of the rule.\n'}]}]