CREATE TABLE table_15275060_1 (old_bulgarian_names VARCHAR2, Yuni VARCHAR2, Transliteration VARCHAR2)

Name the old bulgarian names for yuni
SELECT old_bulgarian_names FROM table_15275060_1 WHERE BULGARIAN_NAME(Transliteration) = Yuni
SELECT "old_bulgarian_names" FROM "table_15275060_1" WHERE "Yuni" = BULGARIAN_NAME("Transliteration")