CREATE TABLE table_31552 ("Date" CLOB, "Venue" CLOB, "Score" CLOB, "Result" CLOB, "Competition" CLOB)

What score does Vasil Levski National Stadium, Sofia earn?
SELECT "Score" FROM table_31552 WHERE "Venue" = 'vasil levski national stadium, sofia'
SELECT "Score" FROM "table_31552" WHERE "Venue" = 'vasil levski national stadium, sofia'