Question: who plays berto in one day at a time
[{'answer': 'Tony Plana', 'provenance': [{'wikipedia_id': '51409607', 'title': 'One Day at a Time (2017 TV series)', 'start_paragraph_id': 26, 'start_character': 12, 'end_paragraph_id': 26, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Cast and characters.:Recurring.\n'}]}]