Question: How many US colleges and universities have gone co-ed?
Choices: 16
17
18
19
20
21
22
23
24
25
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "colleges and universities in the United States" . ?e <significant_event> ?e_1 . ?e_1 <pred:name> "mixed-sex education" .   }
Program:
function: Find
inputs: mixed-sex education
function: Relate
dependencies: 0
inputs: significant event
backward
function: FilterConcept
dependencies: 1
inputs: colleges and universities in the United States
function: Count
dependencies: 2
Answer: 19