Question: who made the clock in grand central station
[{'answer': 'Henry Edward Bedford', 'provenance': [{'wikipedia_id': '301591', 'title': 'Grand Central Terminal', 'start_paragraph_id': 56, 'start_character': 126, 'end_paragraph_id': 56, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Interior.:Main Concourse.:Information booth and clock.\n'}]}]