Question: What is the date of birth of Robert Young, who plays lineman?
Choices: 1969-01-29
1987-04-09
1969-06-11
1947-06-20
1977-06-02
1927-08-12
1962-01-17
1903-04-15
1956-10-20
1949-08-17
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Robert Young" . ?e <position_played_on_team_/_speciality> ?e_1 . ?e_1 <pred:name> "lineman" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: lineman
function: Relate
dependencies: 0
inputs: position played on team / speciality
backward
function: Find
inputs: Robert Young
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1969-01-29