Question: when did the f14 go out of service
[{'answer': '2006', 'provenance': [{'wikipedia_id': '5827657', 'title': 'F-14 Tomcat operational history', 'start_paragraph_id': 1, 'start_character': 169, 'end_paragraph_id': 1, 'end_character': 173, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5827657', 'title': 'F-14 Tomcat operational history', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 0.891116774378477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5588731305906845890}, 'section': 'Section::::Abstract.'}]}]