user: Question: What nation scored 7 in Shooting in 1920?
Columns: ['Rank', 'Nation', 'Sport', 'Years', 'Games', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'United States', 'Swimming', '2004–2012', 'Summer', 18.0, 2.0, 2.0, 22.0]
SQL:

assistant: SELECT "Nation" FROM "Table" WHERE "Sport" = 'Shooting' AND "Total" = 7.0 AND "Years" = '1920';