Question: What is the birth date of a person who received Grammy Award for Best Pop Collaboration with Vocals in 1999 ?
Choices: 1972-02-14
1958-09-03
1944-01-01
1977-04-14
1939-03-26
1978-01-25
1978-12-18
1977-03-02
1955-02-19
1954-06-14
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <award_received> ?e_1 . ?e_1 <pred:name> "Grammy Award for Best Pop Collaboration with Vocals" .  [ <pred:fact_h> ?e ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_1 ] <point_in_time> ?qpv . ?qpv <pred:year> 1999 . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Grammy Award for Best Pop Collaboration with Vocals
function: Relate
dependencies: 0
inputs: award received
backward
function: QFilterYear
dependencies: 1
inputs: point in time
1999
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1972-02-14