Question: What was the complement for the unit that had 3 off 37 men killed?
SQL: SELECT "Complement" FROM "1-2596811-12" WHERE "Killed" = '3 off 37 men';

Question: What is the number of wounded figures associated with a complement of 22 off 637 men?
SQL: SELECT COUNT("Wounded") FROM "1-2596811-12" WHERE "Complement" = '22 off 637 men';

Question: What is the number of commanders that had 0 off 63 men killed?
SQL: SELECT COUNT("Commander") FROM "1-2596811-12" WHERE "Killed" = '0 off 63 men';

Question: What was the complement associated with 0 off 3 men killed and 0 off 2 men wounded?
SQL: SELECT "Complement" FROM "1-2596811-12" WHERE "Killed" = '0 off 3 men' AND "Wounded" = '0 off 2 men';