CREATE TABLE table_204_70 (id DECIMAL, "pick #" DECIMAL, "nfl team" TEXT, "player" TEXT, "position" TEXT, "college" TEXT)

who was the first linebacker selected in this round ?
SELECT "player" FROM table_204_70 WHERE "position" = 'linebacker' ORDER BY "pick #" LIMIT 1
SELECT "player" FROM "table_204_70" WHERE "position" = 'linebacker' ORDER BY "pick #" NULLS FIRST LIMIT 1