Question: How many donor entities provided foreign aid for Typhoon Yolanda?
SPARQL:
select count(distinct(?entity)) from <http://linkedspending.aksw.org/faith> { ?obs qb:dataSet ls:faith. ?obs lso:faith-target <https://openspending.org/faith/target/typhoon-yolanda>. ?obs lso:faith-from ?entity. }