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_2263152_1 ( version VARCHAR, features VARCHAR, distribution_mechanism VARCHAR )

### Question ###
If the distribution mechanism is windows nt 4.0 option pack Microsoft office 97 and the features is service release, what is the version?

### Accurate SQL ###

SELECT version FROM table_2263152_1 WHERE features = "Service release" AND distribution_mechanism = "Windows NT 4.0 Option Pack Microsoft Office 97"