diff --git a/anopheles/example.py b/anopheles/example.py
index 0f3b028..5fc4736 100644
--- a/anopheles/example.py
+++ b/anopheles/example.py
@@ -13,7 +13,7 @@
 any_anopheline = exists().where(SamplePeriod.site_id==Site.site_id)
 
 #SQL issued to db here - session queries are lazy.
-sites = session.query(Site.geom, species_specific_subquery.c.sample_period_count).outerjoin((species_specific_subquery, Site.site_id==species_specific_subquery.c.site_id)).filter(any_anopheline)
+sites = session.query(Site.geom, func.st_numgeometries(Site.geom), species_specific_subquery.c.sample_period_count).outerjoin((species_specific_subquery, Site.site_id==species_specific_subquery.c.site_id)).filter(any_anopheline)
 mozzie_site_list = sites.all()