Question: who won the world rapid chess championship in riyadh in 2017
[{'answer': 'Indian grandmaster Vishwanathan Anand'}, {'provenance': [{'wikipedia_id': '20176027', 'title': 'World Rapid Chess Championship', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 544, 'bleu_score': 0.783318940873574, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9723116853322683831}, 'section': 'Section::::Abstract.'}]}]