CREATE TABLE table_56587 ("Unit" TEXT, "Complement" TEXT, "Killed" TEXT, "Wounded" TEXT, "Missing" TEXT)

How many were Wounded in the Artillery Corps unit while having 0 off 0 men Killed?
SELECT "Wounded" FROM table_56587 WHERE "Killed" = '0 off 0 men' AND "Unit" = 'artillery corps'
SELECT "Wounded" FROM "table_56587" WHERE "Killed" = '0 off 0 men' AND "Unit" = 'artillery corps'