CREATE TABLE table_16400 ("Pick #" FLOAT, "CFL Team" TEXT, "Player" TEXT, "Position" TEXT, "College" TEXT)

What is the highest selection number for the saskatchewan roughriders team?
SELECT MAX("Pick #") FROM table_16400 WHERE "CFL Team" = 'Saskatchewan Roughriders'
SELECT MAX("Pick #") FROM "table_16400" WHERE "CFL Team" = 'Saskatchewan Roughriders'