CREATE TABLE table_9722 ("Year" FLOAT, "Miss Earth Venezuela" TEXT, "1st Runner Up" TEXT, "2nd Runner Up" TEXT, "3rd Runner Up" TEXT, "4th Runner Up" TEXT)

who is the 2nd runner-up when the year is before 2008 and the 3rd runner-up is mariannys caraballo?
SELECT "2nd Runner Up" FROM table_9722 WHERE "Year" < '2008' AND "3rd Runner Up" = 'mariannys caraballo'
SELECT "2nd Runner Up" FROM "table_9722" WHERE "3rd Runner Up" = 'mariannys caraballo' AND "Year" < '2008'