Question: Squire Cheyney Farm is a historic farm and national historic district located in Thornbury Township, Chester County, Pennsylvania, Thomas "Squire" Cheyney, was later appointed to the Pennsylvania Ratifying Convention to ratify the United States Constitution, the supreme law of which country?
Sentence (from "Springton Manor Farm"): Springton Manor Farm is a historic farm and national historic district located in Wallace Township, Chester County, Pennsylvania.
Relevant evidence: No