Question: when was the last time russia went to the world cup
[{'answer': '2018', 'provenance': [{'wikipedia_id': '25154204', 'title': 'Russia at the FIFA World Cup', 'start_paragraph_id': 7, 'start_character': 28, 'end_paragraph_id': 7, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Russia in Brazil 2014.:Algeria vs Russia.\n'}]}]