CREATE TABLE table_48657 ("Year" FLOAT, "Date" CLOB, "Winner" CLOB, "Result" CLOB, "Loser" CLOB, "Location" CLOB)

What was the earliest year that the result 21-17?
SELECT MIN("Year") FROM table_48657 WHERE "Result" = '21-17'
SELECT MIN("Year") FROM "table_48657" WHERE "Result" = '21-17'