user: Question: What is the lowest population that has big hole tract 8 (south) as the official name, with an area km 2 greater than 27.82?
Columns: ['Official Name', 'Status', 'Area km 2', 'Population', 'Census Ranking']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['Burnt Church 14', 'Reservation', 9.54, 1046.0, '2,022 of 5,008']
SQL:

assistant: SELECT MIN("Population") FROM "Table" WHERE "Official Name" = 'big hole tract 8 (south)' AND "Area km 2" > 27.82;