CREATE TABLE table_50815 ("Number" FLOAT, "Player" TEXT, "Position" TEXT, "Height" TEXT, "Weight" FLOAT, "Years Exp" TEXT, "College" TEXT)

What is Postion, when Weight is greater than 220, and when Player is 'Travis Knight'?
SELECT "Position" FROM table_50815 WHERE "Weight" > '220' AND "Player" = 'travis knight'
SELECT "Position" FROM "table_50815" WHERE "Player" = 'travis knight' AND "Weight" > '220'