Question: who did the dominican republic gain its independence from
[{'answer': 'Haiti', 'provenance': [{'wikipedia_id': '2165902', 'title': 'Dominican War of Independence', 'start_paragraph_id': 1, 'start_character': 73, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2165902', 'title': 'Dominican War of Independence', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 451, 'bleu_score': 0.7888345113273181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10363680974413051703}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2165902', 'title': 'Dominican War of Independence', 'section': 'Section::::Unification of Hispaniola (1822-1844).\n', 'start_paragraph_id': 12, 'end_paragraph_id': 12, 'meta': {'evidence_span': ['Haiti, which at the time was still seen as having a great deal of wealth and power. Haiti had been by far the richest colony in the western hemisphere and was known as the "Pearl of the Antilles". Haiti\'s president, Jean-Pierre Boyer, conducted the third military campaign of Santo Domingo, this one was met with resistance, partly due to the previous invasion experiences, and because of Haiti\'s overpowering military strength at the time. The population of Haiti had a ratio of 8:1 compared to the Dominican population of 1822.', 'Haiti, which at the time was still seen as having a great deal of wealth and power', 'Haiti, which at the time was still seen as having a great deal of wealth and power. Haiti had been by far the richest colony in the western hemisphere and was known as the "Pearl of the Antilles". Haiti\'s president, Jean-Pierre Boyer, conducted the third military campaign of Santo Domingo, this one was met with resistance, partly due to the previous invasion experiences, and because of Haiti\'s overpowering military strength at the time. The population of Haiti had a ratio of 8:1 compared to the Dominican population of 1822.']}}]}, {'provenance': [{'wikipedia_id': '2165902', 'title': 'Dominican War of Independence', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Dominican Independence War gave the Dominican Republic autonomy from Haiti on February 27, 1844. Before the war, the island of Hispaniola had been united under the Haitian government for a period of 22 years when the newly independent nation, previously known as the Captaincy General of Santo Domingo, was unified with Haiti in 1822. The criollo class within the country overthrew the Spanish crown in 1821 before unifying with Haiti a year later.', 'The Dominican Independence War gave the Dominican Republic autonomy from Haiti', 'The Dominican Independence War gave the Dominican Republic autonomy from Haiti on February 27, 1844. Before the war, the island of Hispaniola had been united under the Haitian government for a period of 22 years when the newly independent nation, previously known as the Captaincy General of Santo Domingo, was unified with Haiti in 1822. The criollo class within the country overthrew the Spanish crown in 1821 before unifying with Haiti a year later.\rhighlight sentence(s) containing evidence, not only the answer']}}]}, {'provenance': [{'wikipedia_id': '4594915', 'title': 'United States and the Haitian Revolution', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Haitian Revolution provoked mixed reactions in the United States when in 1804, after a 13-year campaign, Black Haitian soldiers, mainly led by Toussaint Louverture, overthrew the French colonial rule and declared Haiti an independent emancipated state. This led to uneasiness in the US, instilling fears of racial instability on its own soil and possible problems with foreign relations and trade between the two countries.', 'The Haitian Revolution provoked mixed reactions in the United States when in 1804, after a 13-year campaign, Black Haitian soldiers, mainly led by Toussaint Louverture, overthrew the French colonial rule and declared Haiti an independent emancipated state. This led to uneasiness in the US, instilling fears of racial instability on its own soil and possible problems with foreign relations and trade between the two countries.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]