Table schema:
CREATE TABLE table_name_94 (area_2006_km² INTEGER, area_1996_km² VARCHAR, pop_2006 VARCHAR)

Question: Which area 2006 km² has an area 1996 km² of 26.39, and a pop 2006 smaller than 18,610?
SQL: SELECT MIN(area_2006_km²) FROM table_name_94 WHERE area_1996_km² = 26.39 AND pop_2006 < 18 OFFSET 610