Question: How much is the total expenditure of the Tigerne Council in Cameroon?
SPARQL:
select sum(xsd:decimal(?amount)) as ?sum from <http://linkedspending.aksw.org/cameroon_visualisation> { ?obs qb:dataSet ls:cameroon_visualisation. ?obs lso:cameroon_visualisation-revenue_expenditure "EXPENDITURE". ?obs lso:cameroon_visualisation-council_name <https://openspending.org/cameroon_visualisation/council_name/tignere-council>. ?obs lso:cameroon_visualisation-amount ?amount. }