ประเทศใดมีฉลากของ Toshiba-emi และแคตตาล็อกของ vjcp-68403
Which Country has a Label of Toshiba-emi and a Catalog of vjcp-68403?
df = pd.DataFrame(columns=['country', 'label', 'catalog'])
df[(df['label'] == 'toshiba-emi') & (df['catalog'] == 'vjcp-68403')]['country']