Question: who decides whether a law follows the constitution or not
[{'answer': 'courts', 'provenance': [{'wikipedia_id': '2662997', 'title': 'Canadian constitutional law', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2662997', 'title': 'Canadian constitutional law', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 537, 'bleu_score': 0.9361374222844411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12712866650109284779}, 'section': 'Section::::Reviewable matters and legal standing.\n'}]}]