user: Question: How many different countries did the champion Se Ri Pak (2) represent?
Columns: ['Year', 'Dates', 'Champion', 'Country', 'Score', 'Margin of victory', 'Tournament location', 'Purse ( $ )', 'Winners share ($)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: [2013.0, 'Jun 6–9', 'Inbee Park', 'South Korea', '283 (–5)', 'Playoff', 'Locust Hill Country Club', 2250000.0, 337500.0]
SQL:

assistant: SELECT COUNT("Country") FROM "Table" WHERE "Champion" = 'Se Ri Pak (2)';