CREATE TABLE table_17184 ("Unit" TEXT, "Commander" TEXT, "Complement" TEXT, "Killed" TEXT, "Wounded" TEXT, "Missing" TEXT)

How many were wounded when the complement was 173 off 2059 men?
SELECT "Wounded" FROM table_17184 WHERE "Complement" = '173 off 2059 men'
SELECT "Wounded" FROM "table_17184" WHERE "Complement" = '173 off 2059 men'