Question: What was the number of Personal Staff Units Killed?
SQL: SELECT "Killed" FROM "2-11793221-1" WHERE "Unit" = 'Personal Staff';

Question: What was the Complement of Artillery Corps Units that had 0 off 0 men Killed or Wounded?
SQL: SELECT "Complement" FROM "2-11793221-1" WHERE "Killed" = '0 off 0 men' AND "Wounded" = '0 off 0 men' AND "Unit" = 'Artillery Corps';

Question: How many were Wounded while in a Unit with a Complement of 83 off 9 men?
SQL: SELECT "Wounded" FROM "2-11793221-1" WHERE "Complement" = '83 off 9 men';

Question: How many of the Royal Waggon Train Unit were Missing while having a Killed of 0 off 0 men and a Wounded of 0 off 0 men?
SQL: SELECT "Missing" FROM "2-11793221-1" WHERE "Killed" = '0 off 0 men' AND "Wounded" = '0 off 0 men' AND "Unit" = 'Royal Waggon Train';

Question: How many were Wounded in the Artillery Corps unit while having 0 off 0 men Killed?
SQL: SELECT "Wounded" FROM "2-11793221-1" WHERE "Killed" = '0 off 0 men' AND "Unit" = 'Artillery Corps';