CREATE TABLE table_45504 ("Original NFL team" TEXT, "Player" TEXT, "Pos." TEXT, "College" TEXT, "Conf." TEXT)

Which player had a position of QB for Texas Tech?
SELECT "Player" FROM table_45504 WHERE "Pos." = 'qb' AND "College" = 'texas tech'
SELECT "Player" FROM "table_45504" WHERE "College" = 'texas tech' AND "Pos." = 'qb'