Question: when does the biggest lotto in spain occur
[{'answer': 'December 22', 'provenance': [{'wikipedia_id': '6043843', 'title': 'Spanish Christmas Lottery', 'start_paragraph_id': 33, 'start_character': 74, 'end_paragraph_id': 33, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::External links.\n'}]}, {'provenance': [{'wikipedia_id': '6043843', 'title': 'Spanish Christmas Lottery', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 920, 'bleu_score': 0.805398184844835, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8369211334646533109}, 'section': 'Section::::The draw.\n'}]}]