Question: theme of international day of monuments and sites 2017
[{'answer': 'sustainable tourism', 'provenance': [{'wikipedia_id': '28769250', 'title': 'International Day For Monuments and Sites', 'start_paragraph_id': 1, 'start_character': 325, 'end_paragraph_id': 1, 'end_character': 344, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28769250', 'title': 'International Day For Monuments and Sites', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 352, 'bleu_score': 0.829017890516147, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11105174215016739060}, 'section': 'Section::::Abstract.'}]}]