CREATE TABLE table_45994 ("Player" TEXT, "Nationality" TEXT, "Jersey Number ( s ) " FLOAT, "Position" TEXT, "Years" TEXT, "From" TEXT)

Which position was played by the player wearing jersey number 40?
SELECT "Position" FROM table_45994 WHERE "Jersey Number(s)" = '40'
SELECT "Position" FROM "table_45994" WHERE "Jersey Number(s)" = '40'