Question: when was the open last held at carnoustie
[{'answer': '2007', 'provenance': [{'wikipedia_id': '2478615', 'title': 'Carnoustie Golf Links', 'start_paragraph_id': 1, 'start_character': 399, 'end_paragraph_id': 1, 'end_character': 403, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]