CREATE TABLE table_50816 ("Number" FLOAT, "Player" TEXT, "Position" TEXT, "Height" TEXT, "Weight" FLOAT, "Years Exp" TEXT, "College" TEXT)

What is the lowest Number, when College is 'University of Alabama'?
SELECT MIN("Number") FROM table_50816 WHERE "College" = 'university of alabama'
SELECT MIN("Number") FROM "table_50816" WHERE "College" = 'university of alabama'