user: Question: How many losses for the team with 3 wins and more than 1919 against?
Columns: ['Mininera DFL', 'Wins', 'Byes', 'Losses', 'Draws', 'Against']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Hawkesdale-Macarthur', 17.0, 0.0, 1.0, 0.0, 814.0]
SQL:

assistant: SELECT "Losses" FROM "Table" WHERE "Wins" = 3.0 AND "Against" > 1919.0;