Question: How much cost the implementation of Midwifery Education in Nangarhar?
SPARQL:
 select sum(xsd:decimal(?amount)) as ?result from <http://linkedspending.aksw.org/iati_cordaid_af> { ?obs qb:dataSet ls:iati_cordaid_af. ?obs lso:iati_cordaid_af-Unique <https://openspending.org/iati_cordaid_af/Unique/259>. ?obs lso:iati_cordaid_af-Activity_Status "Implementation". ?obs lso:iati_cordaid_af-amount ?amount. }