Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_31 (ngc_number INTEGER, object_type VARCHAR, right_ascension___j2000__ VARCHAR)
### Question:
I want the sum of NGC number for spiral galaxy and right acension of 08h14m40.4s
### Answer:
SELECT SUM(ngc_number) FROM table_name_31 WHERE object_type = "spiral galaxy" AND right_ascension___j2000__ = "08h14m40.4s"