Question: where does the rocky mountaineer leave from in vancouver
[{'answer': 'Pacific Central Station', 'provenance': [{'wikipedia_id': '25163393', 'title': 'Rocky Mountaineer Station', 'start_paragraph_id': 1, 'start_character': 263, 'end_paragraph_id': 1, 'end_character': 286, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25163393', 'title': 'Rocky Mountaineer Station', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 286, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13803449242353233345}, 'section': 'Section::::Abstract.'}]}]