Question: who plays the voice of mavis in hotel transylvania
[{'answer': '( Selena Gomez )'}, {'provenance': [{'wikipedia_id': '31327794', 'title': 'Hotel Transylvania', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 354, 'bleu_score': 0.888330499119882, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17642719390766516298}, 'section': 'Section::::Plot.\n'}]}]