Question: What is the official website of Boeing 737?
Choices: http://www.foxjapan.com/movies/solaris/intro.html
http://www.hbo.com/films/elizabeth
http://www.jackkerouac.com
http://www.niedersachsen.de/
https://www.alecbaldwin.com/
http://www.boeing.com/boeing/commercial/737family/
http://www.toothandnail.com
http://www.ucl.ac.uk
http://www.kristaallen.com
https://www.ag.ch
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Boeing 737" . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Boeing 737
function: QueryAttr
dependencies: 0
inputs: official website
Answer: http://www.boeing.com/boeing/commercial/737family/