CREATE TABLE table_29330 ("Pick #" FLOAT, "NFL Team" TEXT, "Player" TEXT, "Position" TEXT, "Pro Team" TEXT, "College" TEXT)

If the NFL team is the Houston Oilers and the position is DT, who is the Pro team?
SELECT "Pro Team" FROM table_29330 WHERE "Position" = 'DT' AND "NFL Team" = 'Houston Oilers'
SELECT "Pro Team" FROM "table_29330" WHERE "NFL Team" = 'Houston Oilers' AND "Position" = 'DT'