Question: what is the date for super bowl 2018
[{'answer': 'February 4 , 2018', 'provenance': [{'wikipedia_id': '40148429', 'title': 'Super Bowl LII', 'start_paragraph_id': 56, 'start_character': 208, 'end_paragraph_id': 56, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Broadcasting.:United States.:Advertising.\n'}]}]