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 journalist ( age INTEGER, journalist_id VARCHAR )
TABLE: CREATE TABLE news_report ( work_type VARCHAR, journalist_id VARCHAR )

### Question ###
Find the average age and experience working length of journalists working on different role type.

### Accurate SQL ###

SELECT AVG(t1.age), AVG(Years_working), t2.work_type FROM journalist AS t1 JOIN news_report AS t2 ON t1.journalist_id = t2.journalist_id GROUP BY t2.work_type