Question: What was founded in 1961 with a store in Jamestown, New York, and at its peak operated 138 stores in the Northeast and a region of the United States generally located between New England and the South Atlantic States ?
Sentence (from "Mid-Atlantic states"): Its exact definition differs upon source, but the region usually includes New York, New Jersey, Pennsylvania, Delaware, Maryland, Washington, D.C., Virginia, and West Virginia.
Relevant evidence: No