Table: med_bulg_army
Columns: battle
date
bulgarian_commander
latin_commander
result

Question: On what Date was Henry I Latin Commander of the Battle of Boruy?
SQL: SELECT "date" FROM med_bulg_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 med_bulg_army WHERE "battle" = 'siege of constantinople'

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

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

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