SELECT "Runner(s)-up" FROM table_46565 WHERE "Winning score" = '−9 (66-69-73-71=279)'
During the championship where the winning score was 9 (66-69-73-71=279)?, who was the runner-up?
CREATE TABLE table_46565 (
    "Year" real,
    "Championship" text,
    "Winning score" text,
    "Margin of victory" text,
    "Runner(s)-up" text
)