ก่อนหน้านี้ F Player คนไหนที่เล่นให้กับ New York Knicks?
What F Player was previously with the New York Knicks?
df = pd.DataFrame(columns=['player', 'pos', 'previous_team'])
df[(df['pos'] == 'f') & (df['previous_team'] == 'new york knicks')]['player']