Question: when did universal social charge start in ireland
[{'answer': '1 January 2011', 'provenance': [{'wikipedia_id': '1973092', 'title': 'Taxation in the Republic of Ireland', 'start_paragraph_id': 117, 'start_character': 154, 'end_paragraph_id': 117, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Taxes on income (PAYE and PRSI).:Universal Social Charge (USC).\n'}]}, {'provenance': [{'wikipedia_id': '1973092', 'title': 'Taxation in the Republic of Ireland', 'start_paragraph_id': 117, 'start_character': 0, 'end_paragraph_id': 117, 'end_character': 247, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1497313420880613567}, 'section': 'Section::::Taxes on income (PAYE and PRSI).:Universal Social Charge (USC).\n'}]}]