Question: Rachel Parker Plummer was the cousin of a dominant figure in the Red River War who clashed repeatedly with what Colonel? 
Sentence (from "Quanah Parker"): He was born into the Nokoni ("Wanderers") band, the son of Comanche chief Peta Nocona and Cynthia Ann Parker, an Anglo-American, who had been kidnapped as a child and assimilated into the tribe.
Relevant evidence: No