Question: when did disney's grand californian hotel open
[{'answer': 'January 2 , 2001', 'provenance': [{'wikipedia_id': '506389', 'title': "Disney's Grand Californian Hotel & Spa", 'start_paragraph_id': 13, 'start_character': 20, 'end_paragraph_id': 13, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Description.:History.\n'}]}]