Question: when did south africa host the world cup
[{'answer': 'South Africa', 'provenance': [{'wikipedia_id': '168079', 'title': '2010 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 140, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '168079', 'title': '2010 FIFA World Cup', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 915, 'bleu_score': 0.878492960676951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3445497559001800289}, 'section': 'Section::::Abstract.'}]}]