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_19 ( wins INTEGER, goal_difference VARCHAR, position VARCHAR, goals_for VARCHAR )

### Question ###
Name the least wins for goal difference being less than -20 with position less than 20 and goals for of 35

### Accurate SQL ###

SELECT MIN(wins) FROM table_name_19 WHERE position < 20 AND goals_for = 35 AND goal_difference < -20