Question: teams who have qualified for the world cup
[{'answer': 'Russia', 'provenance': [{'wikipedia_id': '29856514', 'title': '2018 FIFA World Cup qualification', 'start_paragraph_id': 1, 'start_character': 194, 'end_paragraph_id': 1, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Brazil', 'provenance': [{'wikipedia_id': '29856514', 'title': '2018 FIFA World Cup qualification', 'start_paragraph_id': 10, 'start_character': 503, 'end_paragraph_id': 10, 'end_character': 509, 'bleu_score': 1.0, 'section': 'Section::::Qualification process.:Summary of qualification.\n'}]}, {'answer': 'Iran'}, {'answer': 'Japan'}, {'answer': 'Mexico'}, {'answer': 'Belgium'}, {'answer': 'South Korea'}, {'answer': 'Saudi Arabia'}]