กองหน้าหมายเลข 10 เป็นของโรงเรียนใด?
What school did the forward whose number is 10 belong to?
df = pd.DataFrame(columns=['school_club_team_country', 'no_s_', 'position'])
df[(df['no_s_'] == '10') & (df['position'] == 'Forward')]['school_club_team_country']