user: Question: What is the highest BR number with a SECR number of 765?
Columns: ['SECR No.', 'SR No.', 'BR No.', 'Builder', 'Date Delivered', 'Date Withdrawn']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [760.0, 1760.0, 31760.0, 'Beyer Peacock', 'Cannot handle non-empty timestamp argument! 1914', 'Cannot handle non-empty timestamp argument! 1961']
SQL:

assistant: SELECT MAX("BR No.") FROM "Table" WHERE "SECR No." = 765.0;