CREATE TABLE student (stuid DECIMAL, lname TEXT, fname TEXT, age DECIMAL, sex TEXT, major DECIMAL, advisor DECIMAL, city_code TEXT)
CREATE TABLE restaurant (resid DECIMAL, resname TEXT, address TEXT, rating DECIMAL)
CREATE TABLE type_of_restaurant (resid DECIMAL, restypeid DECIMAL)
CREATE TABLE visits_restaurant (stuid DECIMAL, resid DECIMAL, time TIME, spent DECIMAL)
CREATE TABLE restaurant_type (restypeid DECIMAL, restypename TEXT, restypedescription TEXT)

Advisor 1121 has how many students?
SELECT COUNT(*) FROM student WHERE advisor = 1121
SELECT COUNT(*) FROM "student" WHERE "advisor" = 1121