user: Question: What is the total number of Tropical Lows for more than 11 tropical cyclones in 1998–99, and a Severe Tropical Cyclones larger than 9?
Columns: ['Season', 'Tropical Lows', 'Tropical Cyclones', 'Severe Tropical Cyclones', 'Strongest storm']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['1990–91', 10.0, 10.0, 7.0, 'Marian']
SQL:

assistant: SELECT SUM("Tropical Lows") FROM "Table" WHERE "Tropical Cyclones" > 11.0 AND "Season" = '1998–99' AND "Severe Tropical Cyclones" > 9.0;