Question: when has christmas eve been on a sunday
[{'answer': '2017', 'provenance': [{'wikipedia_id': '8359', 'title': 'December 24', 'start_paragraph_id': 146, 'start_character': 70, 'end_paragraph_id': 146, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Births.\n'}]}]