Question: what is the language that associated with the creative work for Waltham, whose official website is http://www.city.waltham.ma.us?
Choices: Spanish
Ewe
Azerbaijani
English
Korean
Austrian German
Navajo
Arabic
Montenegrin
Serbian
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Waltham" . ?e <official_website> ?pv . ?pv <pred:value> "http://www.city.waltham.ma.us/" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv ] <language_of_work_or_name> ?qpv .  }
Program:
function: Find
inputs: Waltham
function: QueryAttrQualifier
dependencies: 0
inputs: official website
http://www.city.waltham.ma.us/
language of work or name
Answer: English