"คัตสึฮิโระ อุเอโนะ" สังกัดสถาบันใด?
Which institution does "Katsuhiro Ueno" belong to?
authorship = pd.DataFrame(columns=['authid', 'instid']); authors = pd.DataFrame(columns=['authid', 'fname', 'lname']); inst = pd.DataFrame(columns=['name', 'instid'])
inst.loc[inst['instid'].isin(authorship.loc[authors[(authors['fname'] == 'Katsuhiro') & (authors['lname'] == 'Ueno')]['authid'], 'instid']), 'name']