CREATE TABLE table_204_250 (id NUMBER, "date" CLOB, "opponent#" CLOB, "rank#" CLOB, "site" CLOB, "result" CLOB, "attendance" NUMBER)

on average how many times was w listed as the result ?
SELECT COUNT(*) FROM table_204_250 WHERE "result" = 'w'
SELECT COUNT(*) FROM "table_204_250" WHERE "result" = 'w'