ทีมชาติเล่นกีฬาอะไรในเม็กซิโกซิตี้เกมส์ 1968?
What sport did the National Team play in the 1968 mexico City Games?
df = pd.DataFrame(columns=['sport', 'name', 'games'])
df[(df['name'] == 'national team') & (df['games'] == '1968 mexico city')]['sport']