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_16912000_13 (pr_avg VARCHAR, kr_lg VARCHAR)

### Question ###
What is the pr avg, when kr lg is 49?

### Accurate SQL ###

SELECT pr_avg FROM table_16912000_13 WHERE kr_lg = 49