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)

Return the hometown that is most common among gymnasts.
SELECT T2.hometown FROM gymnast AS T1 JOIN people AS T2 ON T1.gymnast_id = T2.people_id GROUP BY T2.hometown ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T2"."hometown" FROM "gymnast" "T1" JOIN "people" "T2" ON "T1"."gymnast_id" = "T2"."people_id" GROUP BY "T2"."hometown" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY