user: Question: What is the modified torque (lb/ft) when the standard hp n/a?
Columns: ['RPM', 'Standard HP', 'Standard torque (lb/ft)', 'Standard speed (6th gear)', 'Modified speed (6th gear)', 'Modified HP', 'Modified torque (lb/ft)']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: [8500.0, '16.67', '10.3', '88', 88.0, '14.16', '8.75']
SQL:

assistant: SELECT "Modified torque (lb/ft)" FROM "Table" WHERE "Standard HP" = 'n/a';