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_25474825_1 (description VARCHAR, license VARCHAR)

### Question ###
What is the description of the license for GNU GPL v2 or Ruby license?

### Accurate SQL ###

SELECT description FROM table_25474825_1 WHERE license = "GNU GPL v2 or Ruby license"