SELECT "opponent" FROM table_204_790 WHERE "round" = 'quarterfinal' ORDER BY "score" DESC LIMIT 1
who scored the most points against nw missouri state in a quarterfinal ?
CREATE TABLE table_204_790 (
    id number,
    "year" number,
    "nw rank" number,
    "venue" text,
    "opp rank" number,
    "opponent" text,
    "score" text,
    "w/l" text,
    "round" text,
    "notes" text
)