CREATE TABLE Person (name VARCHAR, age INT, city TEXT, gender TEXT, job TEXT)
CREATE TABLE PersonFriend (name VARCHAR, friend VARCHAR, year INT)

Find the number of people who is under 40 for each gender, and could you order in ascending by the Y?
SELECT gender, COUNT(*) FROM Person WHERE age < 40 GROUP BY gender ORDER BY COUNT(*)
SELECT "gender", COUNT(*) FROM "Person" WHERE "age" < 40 GROUP BY "gender" ORDER BY COUNT(*) NULLS FIRST