CREATE TABLE people (People_ID INT, Name TEXT, Age FLOAT, Height FLOAT, Hometown TEXT)
CREATE TABLE gymnast (Gymnast_ID INT, Floor_Exercise_Points FLOAT, Pommel_Horse_Points FLOAT, Rings_Points FLOAT, Vault_Points FLOAT, Parallel_Bars_Points FLOAT, Horizontal_Bar_Points FLOAT, Total_Points FLOAT)

Return a bar chart on how many gymnasts are from each hometown?, and rank by the Y from low to high.
SELECT Hometown, COUNT(*) FROM gymnast AS T1 JOIN people AS T2 ON T1.Gymnast_ID = T2.People_ID GROUP BY T2.Hometown ORDER BY COUNT(*)
SELECT "Hometown", COUNT(*) FROM "gymnast" AS "T1" JOIN "people" AS "T2" ON "T1"."Gymnast_ID" = "T2"."People_ID" GROUP BY "T2"."Hometown" ORDER BY COUNT(*) NULLS FIRST