user: Question: How many Liberal candidates have Seats in House smaller than 245, and a Popular vote larger than 350512, and Seats won smaller than 139, and a Seat Change of +28?
Columns: ['Year', 'Seats in House', 'Liberal candidates', 'Seats won', 'Seat Change', 'Popular vote', '% of popular vote', 'Result', 'Liberal leader']
Types: ['text', 'real', 'real', 'real', 'text', 'real', 'text', 'text', 'text']
Sample row: ['1867', 180.0, 65.0, 62.0, '+62', 60818.0, '22.7%', 'Cons. majority', 'Brown']
SQL:

assistant: SELECT COUNT("Liberal candidates") FROM "Table" WHERE "Seats in House" < 245.0 AND "Popular vote" > 350512.0 AND "Seats won" < 139.0 AND "Seat Change" = '+28';