Question: Who was the Senator behind the corporation that served as the model for the Helmand and Arghandab Valley Authority?
Sentence (from "Helmand and Arghandab Valley Authority"): The Helmand and Arghandab Valley Authority (HAVA) based in Lashkar Gah, Afghanistan, originally named the Helmand Valley Authority (HVA) until its expansion in 1965, was established on December 4, 1952 as an agency of the Afghan Government.
Relevant evidence: No