Question: who plays sharpay evans in high school musical
[{'answer': 'Ashley Tisdale', 'provenance': [{'wikipedia_id': '22857478', 'title': 'List of High School Musical characters', 'start_paragraph_id': 16, 'start_character': 24, 'end_paragraph_id': 16, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Main cast.:Sharpay Evans.\n'}]}, {'provenance': [{'wikipedia_id': '22857478', 'title': 'List of High School Musical characters', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 705, 'bleu_score': 0.9839344367380701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13514019499248843428}, 'section': 'Section::::Main cast.:Sharpay Evans.\n'}]}]