Table: nordic_ski_results
Columns: winner
country
winter_olympics
fis_nordic_world_ski_championships
holmenkollen

Question: what is the country for the 1972 winter olympics?
SQL: SELECT "country" FROM nordic_ski_results WHERE "winter_olympics" = 1972

Question: what is the winter olympics year when the fis nordic world ski championships is 1976?
SQL: SELECT "winter_olympics" FROM nordic_ski_results WHERE "fis_nordic_world_ski_championships" = '1976'

Question: what is the earliest winter olympics when the fis nordic world ski championships is 1976?
SQL: SELECT MIN("winter_olympics") FROM nordic_ski_results WHERE "fis_nordic_world_ski_championships" = '1976'

Question: what is the winter olympics when the country is soviet union and holmenkollen is 1970, 1979?
SQL: SELECT SUM("winter_olympics") FROM nordic_ski_results WHERE "country" = 'soviet union' AND "holmenkollen" = '1970, 1979'