Question: What end time pertains to the 31st United States Congress?
Choices: 1806-01-23
1957-01-14
1999-06-25
2010-01-01
1982-06-02
1948
1990-10-01
1851-03-04
1801-03-04
2010-05-16
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "31st United States Congress" . ?e <end_time> ?pv .  }
Program:
function: Find
inputs: 31st United States Congress
function: QueryAttr
dependencies: 0
inputs: end time
Answer: 1851-03-04