Question: who was the author of geronimo stilton books
[{'answer': 'Elisabetta Dami', 'provenance': [{'wikipedia_id': '1952986', 'title': 'Geronimo Stilton', 'start_paragraph_id': 1, 'start_character': 213, 'end_paragraph_id': 1, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1952986', 'title': 'Geronimo Stilton', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 506, 'bleu_score': 0.8640878658725181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9641791706842382025}, 'section': 'Section::::Abstract.'}]}]