ค้นหาชื่อของผู้วิจารณ์ทั้งหมดที่ให้คะแนน Gone with the Wind
Find the names of all reviewers who rated Gone with the Wind.
df_movie = pd.DataFrame(columns=['mID', 'title']); df_reviewer = pd.DataFrame(columns=['name', 'rID']); df_rating = pd.DataFrame(columns=['mID', 'rID'])
df_reviewer[df_reviewer['rID'].isin(df_rating[df_rating['mID'].isin(df_movie[df_movie['title'] == 'Gone with the Wind']['mID'])]['rID'])]['name']