Question: when did the eurostar move to st pancras
[{'answer': '14 November 2007', 'provenance': [{'wikipedia_id': '10093', 'title': 'Eurostar', 'start_paragraph_id': 3, 'start_character': 532, 'end_paragraph_id': 3, 'end_character': 548, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10093', 'title': 'Eurostar', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 682, 'bleu_score': 0.7986690251137321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12905262215497689821}, 'section': 'Section::::Abstract.'}]}]