user: Question: What club had 523 points against? 
Columns: ['Club', 'Played', 'Won', 'Drawn', 'Lost', 'Points for', 'Points against', 'Tries for', 'Points']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Club', 'Played', 'Won', 'Drawn', 'Lost', 'Points for', 'Points against', 'Tries for', 'Points']
SQL:

assistant: SELECT "Club" FROM "Table" WHERE "Points against" = '523';