Question: Is Erdős number of a person, who was nominated for  Nobel Prize in Chemistry on 1955-01-01, equal to 3.1?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <nominated_for> ?e_1 . ?e_1 <pred:name> "Nobel Prize in Chemistry" .  [ <pred:fact_h> ?e ; <pred:fact_r> <nominated_for> ; <pred:fact_t> ?e_1 ] <point_in_time> ?qpv . ?qpv <pred:date> "1955-01-01"^^xsd:date . ?e <Erdős_number> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v != "3.1"^^xsd:double ) .  }
Program:
function: Find
inputs: Nobel Prize in Chemistry
function: Relate
dependencies: 0
inputs: nominated for
backward
function: QFilterDate
dependencies: 1
inputs: point in time
1955-01-01
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: Erdős number
function: VerifyNum
dependencies: 4
inputs: 3.1
!=
Answer: yes