Question: How much did Nigernian Ministry of Petroleum Resources receive from ministries and department agencies?
SPARQL:
select sum(xsd:decimal(?amount)) as ?sum from <http://linkedspending.aksw.org/propbudg13> { ?obs qb:dataSet ls:propbudg13. ?obs lso:propbudg13-from <https://openspending.org/propbudg13/from/ministries-and-department-agencies>. ?obs lso:propbudg13-recipient <https://openspending.org/propbudg13/recipient/ministry-of-petroleum-resources>. ?obs lso:propbudg13-amount ?amount. }