Question: Arthur A. Kimball helped establish the Economic Cooperation Administration for administering a plan that was in operation for how many years?
Sentence (from "Arthur A. Kimball"): Arthur Alden Kimball (1908–1996) was a career civil servant who was part of the prosecution staff for the Nuremberg Trials, and also helped establish the Economic Cooperation Administration for administering the Marshall Plan.
Relevant evidence: Yes