Table: womens_british_open_results
Columns: year
dates
venue
champion
country
score
to_par
margin_of_victory
runner_s_up
purse
winners_share

Question: Which countries won by 9 strokes?
SQL: SELECT "country" FROM womens_british_open_results WHERE "margin_of_victory" = '9 strokes'

Question: What purses had a winners share equal to $428650?
SQL: SELECT "purse" FROM womens_british_open_results WHERE "winners_share" = 428650

Question: At what venues did Lorena Ochoa win the championship?
SQL: SELECT "venue" FROM womens_british_open_results WHERE "champion" = 'Lorena Ochoa'