CREATE TABLE table_46564 ("Year" FLOAT, "Championship" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

In which championship did the winner have a score of 9 (66-69-73-71=279)?
SELECT "Championship" FROM table_46564 WHERE "Winning score" = '−9 (66-69-73-71=279)'
SELECT "Championship" FROM "table_46564" WHERE "Winning score" = '−9 (66-69-73-71=279)'