CREATE TABLE table_name_39 (nation VARCHAR, years VARCHAR, sport VARCHAR, total VARCHAR)

What nation scored 7 in shooting in 1920?
SELECT nation FROM table_name_39 WHERE sport = "shooting" AND total = 7 AND years = "1920"
SELECT "nation" FROM "table_name_39" WHERE "1920" = "years" AND "shooting" = "sport" AND "total" = 7