user: Question: Name the Rank points which have an Event of WC Beijing, and Score points of 13, and a Total of 18?
Columns: ['Shooter', 'Event', 'Rank points', 'Score points', 'Total']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Sergei Martynov ( BLR )', 'WCF 2007', 'Defending champion', 'Defending champion', 'Defending champion']
SQL:

assistant: SELECT "Rank points" FROM "Table" WHERE "Event" = 'WC Beijing' AND "Score points" = '13' AND "Total" = '18';