Question: When was born Walter Murphy (the one that is related to sport baseball)?
Choices:
1926-05-08
1940-03-27
1971-09-21
1822-04-27
1749-08-27
1988-12-27
1912-06-11
1973-08-06
1907-09-27
1956-08-12
Answer: 1907-09-27
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Walter Murphy" . ?e <sport> ?e_1 . ?e_1 <pred:name> "baseball" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: baseball
function: Relate
dependencies: 0
inputs: sport
backward
function: Find
inputs: Walter Murphy
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth