Question: When was the scientific name Poaceae formally established for Taxon the main food source of Cattle
Choices: 1895-01-01
1758
1789-01-01
1842-01-01
1794
1835-01-01
3000
asia/china
1753-01-01
1768-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "taxon" . ?e_1 <main_food_source> ?e . ?e_1 <pred:name> "cattle" .  ?e <taxon_name> ?pv . ?pv <pred:value> "Poaceae" . [ <pred:fact_h> ?e ; <pred:fact_r> <taxon_name> ; <pred:fact_t> ?pv ] <year_of_taxon_name_publication> ?qpv .  }
Program:
function: Find
inputs: cattle
function: Relate
dependencies: 0
inputs: main food source
forward
function: FilterConcept
dependencies: 1
inputs: taxon
function: QueryAttrQualifier
dependencies: 2
inputs: taxon name
Poaceae
year of taxon name publication
Answer: 1895-01-01