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

What are the hometowns of gymnasts and the corresponding number of gymnasts?
SELECT T2.hometown, COUNT(*) FROM gymnast AS T1 JOIN people AS T2 ON T1.gymnast_id = T2.people_id GROUP BY T2.hometown
SELECT "T2"."hometown", COUNT(*) FROM "gymnast" "T1" JOIN "people" "T2" ON "T1"."gymnast_id" = "T2"."people_id" GROUP BY "T2"."hometown"