บทบาททั้งหมดที่ George Olmi เล่นใน Savoy & Casino Theatre 1888 คืออะไร?
What is the total of roles that George Olmi plays in Savoy & Casino Theatre 1888?
df = pd.DataFrame({'savoy_theatre_1888': pd.Series(dtype='str'), 'casino_theatre_1888': pd.Series(dtype='str')})
df[df['casino_theatre_1888'] == 'George Olmi']['savoy_theatre_1888'].count()