Question: When was the Mona Lisa designated by catalog code 7 first housed in the Louvre Museum?
Choices: 2002-09-27
1937-01-21
1887-06-03
1952-02-14
1871-08-03
1992-01-23
2009-08-07
1797
1945-11-07
1924
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Mona Lisa" . ?e_1 <catalog_code> ?pv . ?pv <pred:value> "7" . ?e_2 <pred:name> "Louvre Museum" . ?e_1 <location> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <location> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Mona Lisa
function: FilterStr
dependencies: 0
inputs: catalog code
7
function: Find
inputs: Louvre Museum
function: QueryRelationQualifier
dependencies: 1
2
inputs: location
start time
Answer: 1797