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_55 (wins INTEGER, losses VARCHAR, goals_against VARCHAR)

### Question ###
What is the sum of wins and the sum of losses less than 4 for teams larger than 20?

### Accurate SQL ###

SELECT SUM(wins) FROM table_name_55 WHERE losses < 4 AND goals_against > 20