user: Question: What is the score points in WC Kerrville, when rank was points of 8?
Columns: ['Shooter', 'Event', 'Rank points', 'Score points', 'Total']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Walton Eller ( USA )', 'WCF 2007', 'Defending champion', 'Defending champion', 'Defending champion']
SQL:

assistant: SELECT "Score points" FROM "Table" WHERE "Event" = 'WC Kerrville' AND "Rank points" = '8';