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_name_31 ( mrc_championships INTEGER, solo VARCHAR, pct VARCHAR, co_champions VARCHAR )

### Question ###
What is the average value of MRC Championships with more than 0.685 PCT., more than 1 for co-champions, and less than 5 solo?

### Accurate SQL ###

SELECT AVG(mrc_championships) FROM table_name_31 WHERE pct > 0.685 AND co_champions > 1 AND solo < 5