Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_174491_1 (winter_olympics VARCHAR, winner VARCHAR)

### Question ###
What year did Thorleif Haug win the Winter Olympics?

### Accurate SQL ###

SELECT winter_olympics FROM table_174491_1 WHERE winner = "Thorleif Haug"