Question: how many schedule of constitution in present era
[{'answer': '12', 'provenance': [{'wikipedia_id': '315776', 'title': 'Constitution of India', 'start_paragraph_id': 71, 'start_character': 88, 'end_paragraph_id': 71, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}]