Question: What percentage of the part time work force for this group make up from whose group's name Mitsouko was derived?
Sentence (from "Special Patrol Group (RUC)"): They were so disadvantaged as regarded firepower , that , at one stage in the early 70s , members of the Parachute Regiment were assigned to each long wheel base Land Rover to supplement the meagre firepower of 1 or 2 Sterlings in each crew .
Relevant evidence: No