Question: Which expenses had the highest total amount of proposed expenditures for the Maldives?

SPARQL:
 select ?result from <http://linkedspending.aksw.org/maldives_proposed_expenditure_2015> { ?obs qb:dataSet ls:maldives_proposed_expenditure_2015. ?obs lso:maldives_proposed_expenditure_2015-Expenses ?result. ?obs lso:maldives_proposed_expenditure_2015-amount ?amount. } order by desc(sum(xsd:decimal(?amount))) limit 1