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_49049 ( "Source Version" text, "Target Version" text, "Last Release" text, "License" text, "Website" text )

### Question ###
What is Source Version, when License is LGPL or MPL?

### Accurate SQL ###

SELECT "Source Version" FROM table_49049 WHERE "License" = 'lgpl or mpl'