Question: who hosted the table tennis 2017 itf women's world cup
[{'answer': 'Canada', 'provenance': [{'wikipedia_id': '55607364', 'title': "2017 ITTF Women's World Cup", 'start_paragraph_id': 1, 'start_character': 217, 'end_paragraph_id': 1, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55607364', 'title': "2017 ITTF Women's World Cup", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 223, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4837859584574417920}, 'section': 'Section::::Abstract.'}]}]