Question: Which programming language was developed by the company Sun Microsystems in 2010?
Choices:
C++
Solaris
Julia
C#
Perl
Python
Java
C
Lisp
PHP
Answer: Java
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "programming language" . ?e <developer> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "public company" . ?e_2 <part_of> ?e_1 . ?e_2 <pred:name> "Sun Microsystems" . [ <pred:fact_h> ?e_2 ; <pred:fact_r> <part_of> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 2010 .   }
Program:
function: Find
inputs: Sun Microsystems
function: Relate
dependencies: 0
inputs: part of
forward
function: QFilterYear
dependencies: 1
inputs: start time
2010
=
function: FilterConcept
dependencies: 2
inputs: public company
function: Relate
dependencies: 3
inputs: developer
backward
function: FilterConcept
dependencies: 4
inputs: programming language
function: What
dependencies: 5