Question: How is American football's William Powell related to the position of running back?
Choices: partner
educated at
capital of
position played on team / speciality
director/manager
stated in
appears in the form of
penalty
start point
interested in
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "William Powell" . ?e_1 <sport> ?e_3 . ?e_3 <pred:name> "American football" . ?e_2 <pred:name> "running back" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: American football
function: Relate
dependencies: 0
inputs: sport
backward
function: Find
inputs: William Powell
function: And
dependencies: 1
2
function: Find
inputs: running back
function: QueryRelation
dependencies: 3
4
Answer: position played on team / speciality