Question: what is the first stupa in sri lanka
[{'answer': 'Mahiyangana , Uva Province', 'provenance': [{'wikipedia_id': '5794410', 'title': 'Stupas in Sri Lanka', 'start_paragraph_id': 3, 'start_character': 32, 'end_paragraph_id': 3, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5794410', 'title': 'Stupas in Sri Lanka', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 357, 'bleu_score': 0.9019629427251671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 189563195372995547}, 'section': 'Section::::Abstract.'}]}]