user: Question: When the share of votes equals 21.8%, what's the sum of the total amount of seats?
Columns: ['Election', 'Dáil', 'Share of votes', 'Seats', 'Total seats']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['1937', '9th', '34.8%', 48.0, 138.0]
SQL:

assistant: SELECT SUM("Total seats") FROM "Table" WHERE "Share of votes" = '21.8%';