Question: Which researcher has the occupation of Isaac Asimov and practices biochemistry?
Choices: physicist
statistician
biochemist
biologist
astronomer
computer scientist
make-up artist
seiyū
bandleader
astronaut
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "researcher" . ?e_1 <occupation> ?e . ?e_1 <pred:name> "Isaac Asimov" .  ?e_2 <practiced_by> ?e . ?e_2 <pred:name> "biochemistry" .  }
Program:
function: Find
inputs: Isaac Asimov
function: Relate
dependencies: 0
inputs: occupation
forward
function: FilterConcept
dependencies: 1
inputs: researcher
function: Find
inputs: biochemistry
function: Relate
dependencies: 3
inputs: practiced by
forward
function: FilterConcept
dependencies: 4
inputs: researcher
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: biochemist