เกมประเภทไหนที่แข่งกับฝรั่งเศสด้วยสกอร์ 3:1?
What type of game was held against France with the results of 3:1?
df = pd.DataFrame(columns=['type_of_game', 'results', 'opponent']), pd.to_numeric(df['results'], errors='coerce').fillna(0)
df[(df['results'] == 3.1) & (df['opponent'] == "france")]['type_of_game']