CREATE TABLE student (stuid DECIMAL, lname TEXT, fname TEXT, age DECIMAL, sex TEXT, major DECIMAL, advisor DECIMAL, city_code TEXT)
CREATE TABLE allergy_type (allergy TEXT, allergytype TEXT)
CREATE TABLE has_allergy (stuid DECIMAL, allergy TEXT)

What is the minimum, mean, and maximum age across all students?
SELECT MIN(age), AVG(age), MAX(age) FROM student
SELECT MIN("age"), AVG("age"), MAX("age") FROM "student"