Question: When was the opening date of the 26th US Congress?
Choices: 1927-08-01
1918-10-01
1975-06-09
1812-01-01
1945-09-19
1839-01-08
1582-12-07
1839-03-04
1845-12-29
1992-02-18
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "26th United States Congress" . ?e <start_time> ?pv .  }
Program:
function: Find
inputs: 26th United States Congress
function: QueryAttr
dependencies: 0
inputs: start time
Answer: 1839-03-04