user: Question: Who won the FIS Nordic World Ski Championships in 1972?
Columns: ['Winner', 'Country', 'Winter Olympics', 'FIS Nordic World Ski Championships', 'Holmenkollen']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Thorleif Haug', 'Norway', 1924.0, '1924', '1918, 1919, 1920, 1921, 1923, 1924']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "FIS Nordic World Ski Championships" = '1972';