CREATE TABLE Student (
        StuID        INTEGER PRIMARY KEY,
        LName        VARCHAR(12),
        Fname        VARCHAR(12),
        Age      INTEGER,
        Sex      VARCHAR(1),
        Major        INTEGER,
        Advisor      INTEGER,
        city_code    VARCHAR(3)
 )

CREATE TABLE Restaurant (
       ResID       INTEGER PRIMARY KEY,
       ResName     VARCHAR(100),
       Address     VARCHAR(100),
       Rating INTEGER
)

CREATE TABLE Type_Of_Restaurant (
       ResID       INTEGER,
       ResTypeID   INTEGER,
       FOREIGN KEY(ResID) REFERENCES Restaurant(ResID),
       FOREIGN KEY(ResTypeID) REFERENCES Restaurant_Type(ResTypeID)
)

CREATE TABLE Restaurant_Type (
       ResTypeID            INTEGER PRIMARY KEY,
       ResTypeName          VARCHAR(40),
       ResTypeDescription   VARCHAR(100)
)

CREATE TABLE Visits_Restaurant (
       StuID      INTEGER,
       ResID      INTEGER,
       Time       TIMESTAMP,
       Spent      FLOAT,
       FOREIGN KEY(StuID) REFERENCES Student(StuID),
       FOREIGN KEY(ResID) REFERENCES Restaurant(ResID)
)
SELECT Age FROM Student WHERE Fname = "Linda" AND Lname = "Smith";
What is the age of student Linda Smith?