CREATE TABLE table_54897 ("Year" TEXT, "Dates" TEXT, "Champion" TEXT, "Country" TEXT, "Score" TEXT, "Tournament location" TEXT, "Purse  ( $ ) " FLOAT, "Winner's share  ( $ ) " FLOAT)

What is the largest winner's share in 2008?
SELECT MAX("Winner's share ($)") FROM table_54897 WHERE "Year" = '2008'
SELECT MAX("Winner's share ($)") FROM "table_54897" WHERE "Year" = '2008'