Question: When was the GDP of Rio Grande do Sul1.15e+11 ?
Paraphrase: In what time period was Rio Grande do Sul's GDP 1.15e+11?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q40030 p:P2131 ?s . ?s ps:P2131 ?x filter(contains(?x , '1.15e+11')) . ?s pq:P585 ?value}