ซิงเกิลร็อค/แพ็กของ REO Speedwagon มีชื่อว่าอะไร?
What is the name of the available rock single/pack by REO Speedwagon?
df = pd.DataFrame(columns=['single___pack_name', 'genre', 'artist'])
df.loc[(df['genre'] == 'rock') & (df['artist'] == 'REO Speedwagon')]['single___pack_name'].values[0]