Question: In 1880, was the population of Ann Arbor not 890000000?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:name> "Ann Arbor" . ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v != "890000000"^^xsd:double ) . [ <pred:fact_h> ?e ; <pred:fact_r> <population> ; <pred:fact_t> ?pv ] <point_in_time> ?qpv . ?qpv <pred:year> 1880 .  }
Program:
function: Find
inputs: Ann Arbor
function: QueryAttrUnderCondition
dependencies: 0
inputs: population
point in time
1880
function: VerifyNum
dependencies: 1
inputs: 890000000
!=