Question: where did the art of vastu shastra originate
[{'answer': 'the Indian subcontinent', 'provenance': [{'wikipedia_id': '298170', 'title': 'Vastu shastra', 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 170, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '298170', 'title': 'Vastu shastra', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 588, 'bleu_score': 0.9345697211127111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8434053520798678994}, 'section': 'Section::::Abstract.'}]}]