CREATE TABLE table_6137 ("Surname" TEXT, "First" TEXT, "D.O.B." TEXT, "Uni#" FLOAT, "Bats" TEXT, "Throws" TEXT, "Position" TEXT)

Which first's surname is Cook?
SELECT "First" FROM table_6137 WHERE "Surname" = 'cook'
SELECT "First" FROM "table_6137" WHERE "Surname" = 'cook'