Question: What is an enclosed shopping center located in Richardson, Texas, United States that includes pad sites one being an American drive-in fast-food restaurant chain ranked 10th in "QSR Magazine"'s rankings of the top 50 quick-service and fast-casual restaurant brands in the nation? 
Sentence (from "Sonic Drive-In"): Known for its use of carhops on roller skates, the company annually hosts a competition to determine the top skating carhop in its system.
Relevant evidence: No