CREATE TABLE table_1206 ("Year" FLOAT, "Dates" TEXT, "Venue" TEXT, "Champion" TEXT, "Country" TEXT, "Score" FLOAT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT, "Purse  (  $  ) " FLOAT, "Winners share  ( $ ) " FLOAT)

What purses had a winners share equal to $428650?
SELECT "Purse ( $ )" FROM table_1206 WHERE "Winners share ($)" = '428650'
SELECT "Purse ( $ )" FROM "table_1206" WHERE "Winners share ($)" = '428650'