Question: when does the liturgical season of christmas start
[{'answer': 'December 24', 'provenance': [{'wikipedia_id': '55525', 'title': 'Liturgical year', 'start_paragraph_id': 173, 'start_character': 353, 'end_paragraph_id': 173, 'end_character': 364, 'bleu_score': 1.0, 'section': 'Section::::Western Christianity.:Denominational specifics.:Roman Catholic Church.\n'}]}, {'provenance': [{'wikipedia_id': '55525', 'title': 'Liturgical year', 'start_paragraph_id': 190, 'start_character': 0, 'end_paragraph_id': 190, 'end_character': 406, 'bleu_score': 0.970795021215021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5221068951034708972}, 'section': 'Section::::Western Christianity.:Liturgical calendar.:Christmastide.\n'}]}]