CREATE TABLE table_61263 ("Military deaths" TEXT, "Civilian deaths" TEXT, "Total deaths  ( not including foreigners ) " TEXT, "Military and/or Civilian wounded" TEXT, "Total casualties" TEXT)

How many members of the military died in the conflict that had a total of 531 casualties?
SELECT "Military deaths" FROM table_61263 WHERE "Total casualties" = '531'
SELECT "Military deaths" FROM "table_61263" WHERE "Total casualties" = '531'