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_79 (win_percentage INTEGER, points VARCHAR, record__w_l_t___otl_ VARCHAR)

### Question ###
Which Win percentage has Points smaller than 472, and a Record (W–L–T/OTL) of 140–220–40?

### Accurate SQL ###

SELECT AVG(win_percentage) FROM table_name_79 WHERE points < 472 AND record__w_l_t___otl_ = "140–220–40"