Question: when was the last time fourth of july was on a wednesday
[{'answer': '2018', 'provenance': [{'wikipedia_id': '15849', 'title': 'July 4', 'start_paragraph_id': 161, 'start_character': 97, 'end_paragraph_id': 161, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Births.\n'}]}]