Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_39398 ( "Year" real, "Champion" text, "Country" text, "Venue" text, "Location" text, "Score" text, "Winner's share ( $ )" real )

### Question ###
What was the sum of the winner's shares for US Senior Opens won by Brad Bryant before 2007?

### Accurate SQL ###

SELECT SUM("Winner's share ( $ )") FROM table_39398 WHERE "Champion" = 'brad bryant' AND "Year" < '2007'