Question: What is the name of the person born before 1968 with the Twitter username doctorgraffin?
Choices: William Henry Harrison
Marie Antoinette
Kamal Haasan
Joe Pesci
Sylvester Stallone
John Ford
Greg Graffin
Tom Cruise
Max Fleischer
Richard Gere
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <Twitter_username> ?pv . ?pv <pred:value> "doctorgraffin" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:year> ?v . FILTER ( ?v < 1968 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
doctorgraffin
function: FilterConcept
dependencies: 1
inputs: human
function: FindAll
function: FilterYear
dependencies: 3
inputs: date of birth
1968
<
function: FilterConcept
dependencies: 4
inputs: human
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Greg Graffin