CREATE TABLE table_6602 ("Year" FLOAT, "Team" TEXT, "Progress" TEXT, "Score" TEXT, "Opponents" TEXT)

What were the Opponents of the team, that made it to the third round, before 2008?
SELECT "Opponents" FROM table_6602 WHERE "Year" < '2008' AND "Progress" = 'third round'
SELECT "Opponents" FROM "table_6602" WHERE "Progress" = 'third round' AND "Year" < '2008'