CREATE TABLE table_name_14 (population__2006_ INTEGER, population__2011_ VARCHAR(255), area__km_2__ VARCHAR(255))
What is the average population in 2006 that has more than 5 people in 2011 and an area 5.84km?
    
SQL: SELECT AVG(population__2006_) FROM table_name_14 WHERE population__2011_ > 5 AND area__km_2__ = 5.84