user: Question: Who was the opponent when the method was Points (4 x 0)?
Columns: ['Result', 'Opponent', 'Method', 'Event', 'Notes']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Win', 'Venla Luukkonen', 'Points (11 x 0)', '2012 IBJJF World Jiu-Jitsu Championships', 'Female Purple Belt Final']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Method" = 'Points (4 x 0)';