CREATE TABLE table_76794 ("Year" FLOAT, "Tournament" TEXT, "Surface" TEXT, "Round" TEXT, "Winner" TEXT, "Score" TEXT, "Length  ( H:MM ) " TEXT, "Sets" TEXT, "Federer" FLOAT, "Nadal" FLOAT)

What was the nadal in Miami in the final round?
SELECT MAX("Nadal") FROM table_76794 WHERE "Round" = 'final' AND "Tournament" = 'miami'
SELECT MAX("Nadal") FROM "table_76794" WHERE "Round" = 'final' AND "Tournament" = 'miami'