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_4 (margin_of_victory VARCHAR, runner_s__up VARCHAR, tournament VARCHAR)

### Question ###
Which Margin of victory has a Runner(s)-up of betty burfeindt, and a Tournament of pompano beach classic?

### Accurate SQL ###

SELECT margin_of_victory FROM table_name_4 WHERE runner_s__up = "betty burfeindt" AND tournament = "pompano beach classic"