user: Question: What is the highest weight for the Farnley Stakes race?
Columns: ['Result', 'Date', 'Race', 'Venue', 'Group', 'Distance', 'Weight (kg)', 'Jockey', 'Winner/2nd']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Won', '11 Aug 2001', 'Goodwood Sprint', 'Belmont', 'LR', '1300 m', 61.0, 'P. Carbery', '2nd - Prince of Pop']
SQL:

assistant: SELECT MAX("Weight (kg)") FROM "Table" WHERE "Race" = 'Farnley Stakes';