CREATE TABLE "international_goals" (
  "date" text,
  "venue" text,
  "score" text,
  "result" text,
  "competition" text
);

Question: What score does Vasil Levski National Stadium, Sofia earn?
SQL: SELECT "score" FROM "international_goals" WHERE "venue"='vasil levski national stadium, sofia';

Question: What score did vasil levski national stadium, sofia, which was friendly during competition, earn?
SQL: SELECT "score" FROM "international_goals" WHERE "competition"='friendly' AND "venue"='vasil levski national stadium, sofia';