user: Question: Which Case type has a Cartridge length of 64.77 (2.550)?
Columns: ['Name', 'Case type', 'Bullet diameter', 'Neck diameter', 'Base diameter', 'Rim diameter', 'Case length', 'Cartridge length']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['.44-40 Winchester', 'rimmed bottleneck', '10.85 (.427)', '11.25 (.443)', '11.96 (.471)', '13.33 (.525)', '33.27 (1.31)', '39.37 (1.55)']
SQL:

assistant: SELECT "Case type" FROM "Table" WHERE "Cartridge length" = '64.77 (2.550)';