user: ### NOW ANSWER:
Question: What is the mean 55 to 59 when the C/W 15+ is greater than 2385, and the 30 to 34 is 2483, and the 35 to 39 is greater than 3315?
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']
Types: ['real', 'text', '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]
SQL:

assistant: SELECT AVG("55 to 59") FROM "Table" WHERE "C/W 15+" > 2385.0 AND "30 to 34" = 2483.0 AND "35 to 39" > 3315.0;