CREATE TABLE table_73823 ("Settlement" TEXT, "Cyrillic Name Other Names" TEXT, "Type" TEXT, "Population  ( 2011 ) " FLOAT, "Largest ethnic group  ( 2002 ) " TEXT, "Dominant religion  ( 2002 ) " TEXT)

What are the cyrillic and other names of the settlement whose population is 6591?
SELECT "Cyrillic Name Other Names" FROM table_73823 WHERE "Population (2011)" = '6591'
SELECT "Cyrillic Name Other Names" FROM "table_73823" WHERE "Population (2011)" = '6591'