CREATE TABLE table_52721 ("Tournament" CLOB, "Starts" FLOAT, "Top-10s" FLOAT, "Wins" FLOAT, "Earnings  ( $ ) " CLOB)

On average, how many Starts have Wins that are smaller than 0?
SELECT AVG("Starts") FROM table_52721 WHERE "Wins" < '0'
SELECT AVG("Starts") FROM "table_52721" WHERE "Wins" < '0'