user: Question: What is the sum of votes of the party with a % of 0.53 and more than 0 seats?
Columns: ['Party', 'Votes (Gib.)', 'Votes (SW Eng)', '% (Gib.)', '% (SW Eng)', 'Change (SW Eng)', 'Seats']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Conservative', 3721.0, 468742.0, 53.3, 30.2, 1.3, 3.0]
SQL:

assistant: SELECT SUM("Votes (Gib.)") FROM "Table" WHERE "% (Gib.)" = 0.53 AND "Seats" > 0.0;