Question: Tell me the political party that has the chairperson Mao Zedong.
Choices:
Communist Party of China
Ontario Liberal Party
Indian National Congress
Conservative Party of Canada
Canadian Alliance
Democratic-Republican Party
Labour Party
Norwegian Labour Party
Democratic Party
United National Party
Answer: Communist Party of China
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "political party" . ?e <chairperson> ?e_1 . ?e_1 <pred:name> "Mao Zedong" .   }
Program:
function: Find
inputs: Mao Zedong
function: Relate
dependencies: 0
inputs: chairperson
backward
function: FilterConcept
dependencies: 1
inputs: political party
function: What
dependencies: 2