Question: how many teams from south america go to world cup
[{'answer': '4.5 slots', 'provenance': [{'wikipedia_id': '45195256', 'title': '2018 FIFA World Cup qualification (CONMEBOL)', 'start_paragraph_id': 1, 'start_character': 237, 'end_paragraph_id': 1, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '4 direct slots and 1 inter-confederation'}, {'provenance': [{'wikipedia_id': '45195256', 'title': '2018 FIFA World Cup qualification (CONMEBOL)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 361, 'bleu_score': 0.7709291385954311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17154278644598109010}, 'section': 'Section::::Abstract.'}]}]