Question: is it true that the conversion to standard unit of a second is greater than 2.53509908054e-08?
Paraphrase: Is the conversion into standard units larger than 2.53509908054e-08 for a single second?
SPARQL (Wikidata): ASK WHERE { wd:Q11574 wdt:P2442 ?obj filter(?obj > 2.53509908054e-08) }