Question: Is the publication date of Lantana before 2015 in Germany?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:name> "Lantana" . ?e <publication_date> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2015 ) . [ <pred:fact_h> ?e ; <pred:fact_r> <publication_date> ; <pred:fact_t> ?pv ] <place_of_publication> ?qpv . ?qpv <pred:value> "Germany" .  }
Program:
function: Find
inputs: Lantana
function: QueryAttrUnderCondition
dependencies: 0
inputs: publication date
place of publication
Germany
function: VerifyYear
dependencies: 1
inputs: 2015
<
Answer: yes