Question: Which running back is the position of John Adams (whose date of birth is 1937-11-28) and is related to the sport of American football?
Choices: halfback
cornerback
tight end
placekicker
defensive back
safety
long snapper
kickoff returner
wide receiver
fullback
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "running back" . ?e_1 <position_played_on_team_/_speciality> ?e . ?e_1 <pred:name> "John Adams" . ?e_1 <date_of_birth> ?pv . ?pv <pred:date> "1937-11-28"^^xsd:date .  ?e <sport> ?e_2 . ?e_2 <pred:name> "American football" .  }
Program:
function: Find
inputs: John Adams
function: FilterDate
dependencies: 0
inputs: date of birth
1937-11-28
=
function: Relate
dependencies: 1
inputs: position played on team / speciality
forward
function: FilterConcept
dependencies: 2
inputs: running back
function: Find
inputs: American football
function: Relate
dependencies: 4
inputs: sport
backward
function: FilterConcept
dependencies: 5
inputs: running back
function: And
dependencies: 3
6
function: What
dependencies: 7
Answer: fullback