Based on the following DBDL$,$ what is an attribute, but not a key, of the Restaurant table?

OWNER$($OwnerID$,$ Name, Address, City, State, Zip, Phone, E$-$mail$)$

RESTAURANT$($RestaurantID$,$ RestaurantName, Address, City, State, Zip, Phone, DateOpened, OwnerID$)$

OwnerID foreign key to OWNER

INSPECTOR$($EmployeelD$,$ FirstName, LastName, DateHired, OfficePhone, MobilePhone$)$

INSPECTION$($InspectionID$,$ DateTimeStarted, RestaurantID, EmployeeID$)$

RestaurantID foreign key to RESTAURANT

EmployeelD foreign key to INSPECTOR

E$-$mail

OwnerID

DateOpened

Restaurant