CREATE TABLE table_70845 ("Year" FLOAT, "Competition" TEXT, "Town" TEXT, "Opponent" TEXT, "Final score" TEXT)

who is the opponent when played in trieste before 2007?
SELECT "Opponent" FROM table_70845 WHERE "Year" < '2007' AND "Town" = 'trieste'
SELECT "Opponent" FROM "table_70845" WHERE "Town" = 'trieste' AND "Year" < '2007'