Question: How much money was given to works and transport in the Ugandan budget?

SPARQL:
select sum(xsd:decimal(?amount)) as ?sum from <http://linkedspending.aksw.org/ug_budget_subcategories> { ?obs qb:dataSet ls:ug_budget_subcategories. ?obs lso:ug_budget_subcategories-to <https://openspending.org/ug_budget_subcategories/to/works-and-transport>. ?obs lso:ug_budget_subcategories-amount ?amount. }