user: Question: what is the total of floors when the name is kölntriangle and rank is less thank 63?
Columns: ['Rank', 'Name', 'City', 'Height (m)', 'Height (ft)', 'Floors']
Types: ['real', 'text', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Commerzbank Tower', 'Frankfurt', 259.0, 849.7, 56.0]
SQL:

assistant: SELECT SUM("Floors") FROM "Table" WHERE "Name" = 'kölntriangle' AND "Rank" < 63.0;