Question: who is opening for shania twain tour 2018
[{'answer': 'Bastian Baker', 'provenance': [{'wikipedia_id': '54937403', 'title': 'Now Tour (Shania Twain)', 'start_paragraph_id': 13, 'start_character': 32, 'end_paragraph_id': 13, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Opening acts.\n'}]}, {'provenance': [{'wikipedia_id': '54937403', 'title': 'Now Tour (Shania Twain)', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 207, 'bleu_score': 0.950578622812921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5804706732480295030}, 'section': 'Section::::Opening acts.\n'}]}]