Question: When did Maine start sharing borders with Quebec (the one that has the head Elizabeth II)?
Choices: 1968-11-12
1793-07-22
1867-07-01
2006-07-11
1984-12-18
1951-12-07
1712
2013-04-08
1891-07-30
1991-05-15
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Maine" . ?e_2 <pred:name> "Quebec" . ?e_2 <head_of_state> ?e_3 . ?e_3 <pred:name> "Elizabeth II" . ?e_1 <shares_border_with> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <shares_border_with> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Maine
function: Find
inputs: Elizabeth II
function: Relate
dependencies: 1
inputs: head of state
backward
function: Find
inputs: Quebec
function: And
dependencies: 2
3
function: QueryRelationQualifier
dependencies: 0
4
inputs: shares border with
start time
Answer: 1867-07-01