Table schema:
CREATE TABLE Restaurant (TIME VARCHAR); CREATE TABLE Visits_Restaurant (TIME VARCHAR); CREATE TABLE Student (TIME VARCHAR)

Question: When did Linda Smith visit Subway?
SQL: SELECT TIME FROM Student JOIN Visits_Restaurant ON Student.StuID = Visits_Restaurant.StuID JOIN Restaurant ON Visits_Restaurant.ResID = Restaurant.ResID WHERE Student.Fname = "Linda" AND Student.Lname = "Smith" AND Restaurant.ResName = "Subway"