ชื่อและคะแนนของไวน์ที่ทำจากองุ่นสีขาวคืออะไร?
What are the names and scores of wines that are made of white color grapes?
df_wine = pd.DataFrame(columns=['Name', 'Score', 'Grape']); df_grapes = pd.DataFrame(columns=['Grape', 'Color'])
df_wine[['Name', 'Score']][df_wine['Grape'].isin(df_grapes[df_grapes['Color']=='White']['Grape'])]