Question: What part of Chinese is used by Herbert Hoover and, at the same time, has cmn as its IETF language tag?
Choices: Yue Chinese
Mandarin Chinese
Hercules
Austronesian languages
anemia
Fair Game
Albanian
Afro-Asiatic languages
L.A. Reid
Norwich University
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "Chinese" . ?e_1 <languages_spoken,_written_or_signed> ?e . ?e_1 <pred:name> "Herbert Hoover" .  ?e <IETF_language_tag> ?pv . ?pv <pred:value> "cmn" .  }
Program:
function: Find
inputs: Herbert Hoover
function: Relate
dependencies: 0
inputs: languages spoken, written or signed
forward
function: FilterConcept
dependencies: 1
inputs: Chinese
function: FindAll
function: FilterStr
dependencies: 3
inputs: IETF language tag
cmn
function: FilterConcept
dependencies: 4
inputs: Chinese
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Mandarin Chinese