Question: Is https://www.olympic.org/st-louis-1904 the official website of William Powell (the one whose British Museum person-institution is 42535) ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "William Powell" . ?e <British_Museum_person-institution> ?pv_1 . ?pv_1 <pred:value> "42535" . ?e <official_website> ?pv . ?pv <pred:value> "https://www.olympic.org/st-louis-1904" .  }
Program:
function: Find
inputs: William Powell
function: FilterStr
dependencies: 0
inputs: British Museum person-institution
42535
function: QueryAttr
dependencies: 1
inputs: official website
function: VerifyStr
dependencies: 2
inputs: https://www.olympic.org/st-louis-1904
Answer: no