Question: as of 2015 south sudan is the world's youngest country. was it recognised in 2009
[{'answer': '9 July 2011', 'provenance': [{'wikipedia_id': '32350676', 'title': 'South Sudan', 'start_paragraph_id': 2, 'start_character': 888, 'end_paragraph_id': 2, 'end_character': 899, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32350676', 'title': 'South Sudan', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 233, 'bleu_score': 0.828426969361947, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9621532754417009434}, 'section': 'Section::::History.:Independence (2011).\n'}]}]