CREATE TABLE table_9045 ("Year" FLOAT, "Winner" TEXT, "Score" TEXT, "Runner ( s ) -up" TEXT, "Course" TEXT, "Location" TEXT)

What is the year when the course is sunset ridge cc?
SELECT SUM("Year") FROM table_9045 WHERE "Course" = 'sunset ridge cc'
SELECT SUM("Year") FROM "table_9045" WHERE "Course" = 'sunset ridge cc'