เมื่อ FIS Nordic World Ski Championships คือปี 1962, 1964 Holmenkollen คืออะไร
When the FIS Nordic World Ski Championships was 1962, 1964 what was the Holmenkollen?
df = pd.DataFrame(columns=['holmenkollen', 'fis_nordic_world_ski_championships'])
df.loc[df['fis_nordic_world_ski_championships'] == '1962, 1964', 'holmenkollen']