Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_14 (right_ascension___j2000__ VARCHAR, declination___j2000__ VARCHAR, ngc_number VARCHAR, object_type VARCHAR)

### Question ###
What is the Right Ascension with a Diffuse Nebula Object Type has a °42′30″ Declination and a NGC less than 6995?

### Accurate SQL ###

SELECT right_ascension___j2000__ FROM table_name_14 WHERE ngc_number < 6995 AND object_type = "diffuse nebula" AND declination___j2000__ = "°42′30″"