CREATE TABLE table_60560 ("Year" FLOAT, "Champion" TEXT, "Runner-up" TEXT, "Score" TEXT, "City" TEXT, "Venue" TEXT)

What was the score when Nacional was the champion, River Plate was the runner-up, and the venue was Centenario?
SELECT "Score" FROM table_60560 WHERE "Champion" = 'nacional' AND "Venue" = 'centenario' AND "Runner-up" = 'river plate'
SELECT "Score" FROM "table_60560" WHERE "Champion" = 'nacional' AND "Runner-up" = 'river plate' AND "Venue" = 'centenario'