CREATE TABLE table_39398 ("Year" FLOAT, "Champion" TEXT, "Country" TEXT, "Venue" TEXT, "Location" TEXT, "Score" TEXT, "Winner's share  (  $  ) " FLOAT)

What was the sum of the winner's shares for US Senior Opens won by Brad Bryant before 2007?
SELECT SUM("Winner's share ( $ )") FROM table_39398 WHERE "Champion" = 'brad bryant' AND "Year" < '2007'
SELECT SUM("Winner's share ( $ )") FROM "table_39398" WHERE "Champion" = 'brad bryant' AND "Year" < '2007'