CREATE TABLE table_56584 ("Unit" TEXT, "Complement" TEXT, "Killed" TEXT, "Wounded" TEXT, "Missing" TEXT)

What was the Complement of Artillery Corps Units that had 0 off 0 men Killed or Wounded?
SELECT "Complement" FROM table_56584 WHERE "Killed" = '0 off 0 men' AND "Wounded" = '0 off 0 men' AND "Unit" = 'artillery corps'
SELECT "Complement" FROM "table_56584" WHERE "Killed" = '0 off 0 men' AND "Unit" = 'artillery corps' AND "Wounded" = '0 off 0 men'