user: Question: Which Builder has BR No. 30782?
Columns: ['BR No.', 'SR No.', 'SR Name', 'Builder', 'Built', 'Withdrawn']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [30763.0, 763.0, 'Sir Bors de Ganis', 'North British Loco 23209', 'Cannot handle non-empty timestamp argument! 1925', 'Cannot handle non-empty timestamp argument! 1960']
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "BR No." = 30782.0;