CREATE TABLE "medieval_bulgarian_army" (
  "battle" text,
  "date" text,
  "bulgarian_commander" text,
  "latin_commander" text,
  "result" text
);

Question: On what Date was Henry I Latin Commander of the Battle of Boruy?
SQL: SELECT "date" FROM "medieval_bulgarian_army" WHERE "latin_commander"='henry i' AND "battle"='battle of boruy';

Question: Who is the Latin Commander of the Siege of Constantinople?
SQL: SELECT "latin_commander" FROM "medieval_bulgarian_army" WHERE "battle"='siege of constantinople';

Question: What is the Result of the battle with Latin Commander Boniface of Montferrat?
SQL: SELECT "result" FROM "medieval_bulgarian_army" WHERE "latin_commander"='boniface of montferrat';

Question: What is the Battle with Bulgarian Commander Ivan Asen II?
SQL: SELECT "battle" FROM "medieval_bulgarian_army" WHERE "bulgarian_commander"='ivan asen ii';

Question: What is the Bulgarian Commander of the Battle of Rusion?
SQL: SELECT "bulgarian_commander" FROM "medieval_bulgarian_army" WHERE "battle"='battle of rusion';