CREATE TABLE people (people_id DECIMAL, name TEXT, age DECIMAL, height DECIMAL, hometown TEXT)
CREATE TABLE gymnast (gymnast_id DECIMAL, floor_exercise_points DECIMAL, pommel_horse_points DECIMAL, rings_points DECIMAL, vault_points DECIMAL, parallel_bars_points DECIMAL, horizontal_bar_points DECIMAL, total_points DECIMAL)

From which hometowns did no gymnasts come from?
SELECT DISTINCT hometown FROM people EXCEPT SELECT DISTINCT T2.hometown FROM gymnast AS T1 JOIN people AS T2 ON T1.gymnast_id = T2.people_id
SELECT DISTINCT "hometown" FROM "people" EXCEPT SELECT DISTINCT "T2"."hometown" FROM "gymnast" AS "T1" JOIN "people" AS "T2" ON "T1"."gymnast_id" = "T2"."people_id"