Question: when did british airways stop flying the concorde
[{'answer': 'until 2003', 'provenance': [{'wikipedia_id': '7045', 'title': 'Concorde', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7045', 'title': 'Concorde', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 509, 'bleu_score': 0.707541421652177, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5247248091866166983}, 'section': 'Section::::Abstract.'}]}]