CREATE TABLE Player (pID DECIMAL, pName VARCHAR, yCard VARCHAR, HS DECIMAL)
CREATE TABLE Tryout (pID DECIMAL, cName VARCHAR, pPos VARCHAR, decision VARCHAR)
CREATE TABLE College (cName VARCHAR, state VARCHAR, enr DECIMAL)

What is minimum hours of the students playing in different position Plot them as bar chart, and order in desc by the X-axis.
SELECT pPos, MIN(T2.HS) FROM Tryout AS T1 JOIN Player AS T2 ON T1.pID = T2.pID GROUP BY pPos ORDER BY pPos DESC
SELECT "pPos", MIN("T2"."HS") FROM "Tryout" AS "T1" JOIN "Player" AS "T2" ON "T1"."pID" = "T2"."pID" GROUP BY "pPos" ORDER BY "pPos" DESC NULLS LAST