What were the wounded for complement of 46 off 656 men?
CREATE TABLE "table1_11793221_4" (
  "unit" text,
  "commander" text,
  "complement" text,
  "killed" text,
  "wounded" text,
  "missing" text
);
SELECT "wounded" FROM "table1_11793221_4" WHERE "complement"='46 off 656 men';