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

Question: How many times has the student Linda Smith visited Subway?
SQL: SELECT COUNT(*) 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"