When the  area sq mi (km 2 ) (rank) is sqmi (km2) (5) what is the  population (2010) (rank)?
create table table_14253123_1 (population__2010___rank_ varchar, area_sq_mi__km_2____rank_ varchar, PRIMARY KEY (population__2010___rank_))
select population__2010___rank_ from table_14253123_1 where area_sq_mi__km_2____rank_ = "sqmi (km2) (5)"