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

### Instruction:
I want the sum of NGC number for spiral galaxy and right acension of 08h14m40.4s

### Inputs:
table_name: table, columns: ['NGC number', 'Object type', 'Constellation', 'Right ascension ( J2000 )', 'Declination ( J2000 )', 'Apparent magnitude']

### Response:
SELECT SUM NGC number FROM table WHERE Object type = spiral galaxy AND Right ascension ( J2000 ) = 08h14m40.4s