user: Question: Which Seatshave a Share of votes of 18%, and a Share of seats of 3%, and a General election smaller than 1992?
Columns: ['General election', 'Name', 'Share of votes', 'Seats', 'Share of seats']
Types: ['real', 'text', 'text', 'real', 'text']
Sample row: [1983.0, 'SDP–Liberal Alliance', '25%', 23.0, '3.5%']
SQL:

assistant: SELECT "Seats" FROM "Table" WHERE "Share of votes" = '18%' AND "Share of seats" = '3%' AND "General election" < 1992.0;