Question: who is the editor of the chicago tribune
[{'answer': 'Bruce Dold', 'provenance': [{'wikipedia_id': '60961', 'title': 'Chicago Tribune', 'start_paragraph_id': 35, 'start_character': 633, 'end_paragraph_id': 35, 'end_character': 643, 'bleu_score': 1.0, 'section': 'Section::::History.:1980s and 1990s.\n'}]}]