CREATE TABLE "gymnast" (
"Gymnast_ID" int,
"Floor_Exercise_Points" real,
"Pommel_Horse_Points" real,
"Rings_Points" real,
"Vault_Points" real,
"Parallel_Bars_Points" real,
"Horizontal_Bar_Points" real,
"Total_Points" real,
PRIMARY KEY ("Gymnast_ID"),
FOREIGN KEY ("Gymnast_ID") REFERENCES "people"("People_ID")
)

CREATE TABLE "people" (
"People_ID" int,
"Name" text,
"Age" real,
"Height" real,
"Hometown" text,
PRIMARY KEY ("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
List the distinct hometowns that are not associated with any gymnast.