George Broderick มีบทบาทในโรงละครคาสิโนปี 1888 กี่บทบาท?
How many roles include George Broderick in the casino 1888 theater?
df = pd.DataFrame({'role': pd.Series(dtype='str'), 'casino_theatre_1888': pd.Series(dtype='str')})
df[df['casino_theatre_1888'] == 'George Broderick']['role'].count()