What is the FIS Nordic World Ski Championship years when the winter Olympics took place in 1968?
CREATE TABLE table_name_93 (
    fis_nordic_world_ski_championships VARCHAR,
    winter_olympics VARCHAR
)
SELECT fis_nordic_world_ski_championships FROM table_name_93 WHERE winter_olympics = 1968
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the FIS Nordic World Ski Championship years when the winter Olympics took place in 1968? ### Input: CREATE TABLE table_name_93 (
    fis_nordic_world_ski_championships VARCHAR,
    winter_olympics VARCHAR
) ### Response: SELECT fis_nordic_world_ski_championships FROM table_name_93 WHERE winter_olympics = 1968