Question: when was shania twain's first album released
[{'answer': 'April 20 , 1993', 'provenance': [{'wikipedia_id': '472497', 'title': 'Shania Twain (album)', 'start_paragraph_id': 1, 'start_character': 80, 'end_paragraph_id': 1, 'end_character': 97, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '472497', 'title': 'Shania Twain (album)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 526, 'bleu_score': 0.559618835505852, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9087660935824084167}, 'section': 'Section::::Abstract.'}]}]