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_name_26 (country VARCHAR, holmenkollen VARCHAR, fis_nordic_world_ski_championships VARCHAR, winter_olympics VARCHAR)

### Question ###
Which country has a FIS Nordic World Ski Championship before 1989, was in the winter Olympics before 1980, and has a Holmenkollen of 1956?

### Accurate SQL ###

SELECT country FROM table_name_26 WHERE fis_nordic_world_ski_championships < 1989 AND winter_olympics < 1980 AND holmenkollen = "1956"