บทบาทในละครต้นฉบับตลกในปี 1938 คืออะไร?
What is the role in an original play, comedy in 1938?
df = pd.DataFrame(columns=['role', 'format_genre', 'year'])
df[(df['format_genre'] == "original play, comedy") & (df['year'] == 1938)]['role']