Question: who plays the fire chief of station 19
[{'answer': 'Brett Tucker', 'provenance': [{'wikipedia_id': '56220477', 'title': 'Station 19', 'start_paragraph_id': 20, 'start_character': 12, 'end_paragraph_id': 20, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast and characters.:Recurring.\n'}]}, {'provenance': [{'wikipedia_id': '56220477', 'title': 'Station 19', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 95, 'bleu_score': 0.861173529963367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15321785700375129414}, 'section': 'Section::::Cast and characters.:Recurring.\n'}]}]