Question: when did ireland gain its independence from england
[{'answer': 'In 1922', 'provenance': [{'wikipedia_id': '23426573', 'title': 'History of Ireland', 'start_paragraph_id': 7, 'start_character': 435, 'end_paragraph_id': 7, 'end_character': 442, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1922', 'provenance': [{'wikipedia_id': '23426573', 'title': 'History of Ireland', 'start_paragraph_id': 7, 'start_character': 438, 'end_paragraph_id': 7, 'end_character': 442, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23426573', 'title': 'History of Ireland', 'start_paragraph_id': 7, 'start_character': 433, 'end_paragraph_id': 7, 'end_character': 1159, 'bleu_score': 0.551388985492388, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9048811135225322057}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14560', 'title': 'Republic of Ireland', 'section': 'Section::::History.:Revolution and steps to independence.\n', 'start_paragraph_id': 19, 'end_paragraph_id': 19, 'meta': {'evidence_span': ['In accordance with the treaty, on 6 December 1922 the entire island of Ireland became a self-governing Dominion called the Irish Free State ("Saorstát Éireann").', 'In accordance with the treaty, on 6 December 1922 the entire island of Ireland became a self-governing Dominion called the Irish Free State ("Saorstát Éireann").', 'In accordance with the treaty, on 6 December 1922 the entire island of Ireland became a self-governing Dominion called the Irish Free State ("Saorstát Éireann")']}}]}, {'provenance': [{'wikipedia_id': '23426573', 'title': 'History of Ireland', 'section': 'Section::::Abstract.', 'start_paragraph_id': 7, 'end_paragraph_id': 7, 'meta': {'evidence_span': ['In 1922, after the Irish War of Independence most of Ireland seceded from the United Kingdom to become the independent Irish Free State', 'In 1922, after the Irish War of Independence most of Ireland seceded from the United Kingdom to become the independent Irish Free State but under the Anglo-Irish Treaty the six northeastern counties, known as Northern Ireland, remained within the United Kingdom, creating the partition of Ireland.']}}]}]