ส่วนต่างแห่งชัยชนะมีรองชนะเลิศคือ Betty Burfeindt และ Tournament of Pompano Beach Classic?
Which Margin of victory has a Runner(s)-up of betty burfeindt, and a Tournament of pompano beach classic?
df = pd.DataFrame(columns=['margin_of_victory', 'runner_up', 'tournament'])
df.loc[(df['runner_up'] == 'betty burfeindt') & (df['tournament'] == 'pompano beach classic'), 'margin_of_victory']