Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the modified torque (lb/ft) when the standard hp n/a?

### Inputs:
table_name: table, columns: ['RPM', 'Standard HP', 'Standard torque (lb/ft)', 'Standard speed (6th gear)', 'Modified speed (6th gear)', 'Modified HP', 'Modified torque (lb/ft)']

### Response:
SELECT COUNT Modified torque (lb/ft) FROM table WHERE Standard HP = n/a