CREATE TABLE table_76957 ("Date" CLOB, "Opponent" CLOB, "Site" CLOB, "Result" CLOB, "Attendance" CLOB)

On which date was the result w20-0?
SELECT "Date" FROM table_76957 WHERE "Result" = 'w20-0'
SELECT "Date" FROM "table_76957" WHERE "Result" = 'w20-0'