How many were Wounded in the Artillery Corps unit while having 0 off 0 men Killed?
CREATE TABLE "head_quarters_and_support_regiments" (
  "unit" text,
  "complement" text,
  "killed" text,
  "wounded" text,
  "missing" text
);
SELECT "wounded" FROM "head_quarters_and_support_regiments" WHERE "killed"='0 off 0 men' AND "unit"='artillery corps';