CREATE TABLE table_8741 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in final" TEXT, "Score in final" TEXT)

What is the sum of Year(s), when Championship is 'Australian Open', when Outcome is 'Runner-Up', and when Score in Final is 3-6, 6-3, 6-2?
SELECT SUM("Year") FROM table_8741 WHERE "Championship" = 'australian open' AND "Outcome" = 'runner-up' AND "Score in final" = '3-6, 6-3, 6-2'
SELECT SUM("Year") FROM "table_8741" WHERE "Championship" = 'australian open' AND "Outcome" = 'runner-up' AND "Score in final" = '3-6, 6-3, 6-2'