Question: How much financial crisis aid did Belgium receive in the year of 2011?
SPARQL:
select sum(xsd:decimal(?amount)) as ?sum from <http://linkedspending.aksw.org/financial_aid> { ?obs qb:dataSet ls:financial_aid. ?obs lso:financial_aid-amount ?amount. ?obs lso:financial_aid-country <https://openspending.org/financial_aid/country/belgium>. ?obs lso:refYear ?year. filter(year(?year)=2011). }