CREATE TABLE college (cname TEXT, state TEXT, enr DECIMAL)
CREATE TABLE player (pid DECIMAL, pname TEXT, ycard TEXT, hs DECIMAL)
CREATE TABLE tryout (pid DECIMAL, cname TEXT, ppos TEXT, decision TEXT)

Find the name of players whose card is yes in the descending order of training hours.
SELECT pname FROM player WHERE ycard = 'yes' ORDER BY hs DESC
SELECT "pname" FROM "player" WHERE "ycard" = 'yes' ORDER BY "hs" DESC NULLS LAST