user: Question: If 50 to 54 is 2119, what is the total number of c/w 15+?
Columns: ['C/W 15+', 'Oblast\\Age', '15 to 17', '18 to 19', '20 to 24', '25 to 29', '30 to 34', '35 to 39', '40 to 44', '45 to 49', '50 to 54', '55 to 59', '60 to 64', '65 to 69', '70+']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1800.0, 'Karelians in Rep. Karelia', 3.0, 100.0, 451.0, 969.0, 1397.0, 1731.0, 1973.0, 1953.0, 1946.0, 1974.0, 2092.0, 2417.0, 2721.0]
SQL:

assistant: SELECT "C/W 15+" FROM "Table" WHERE "50 to 54" = 2119.0;