Question: Who was a famous leader of the IRA who fought against the group that helped the RIC during the Irish War of Independence? 
Sentence (from "Black and Tans"): The Black and Tans (Irish: "Dúchrónaigh" ), officially the Royal Irish Constabulary Special Reserve, was a force of Temporary Constables recruited to assist the Royal Irish Constabulary (RIC) during the Irish War of Independence.
Relevant evidence: Yes