Question: How many college towns are either headed by a mayor or have a population of less than  20000000?
Choices:
4
5
6
7
8
9
10
11
12
13
Answer: 4
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "college town" .  { ?e <office_held_by_head_of_government> ?e_1 . ?e_1 <pred:name> "mayor" .  } UNION { ?e <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> ?v . FILTER ( ?v < "20000000"^^xsd:double ) .  } }
Program:
function: Find
inputs: mayor
function: Relate
dependencies: 0
inputs: office held by head of government
backward
function: FilterConcept
dependencies: 1
inputs: college town
function: FindAll
function: FilterNum
dependencies: 3
inputs: population
20000000
<
function: FilterConcept
dependencies: 4
inputs: college town
function: Or
dependencies: 2
5
function: Count
dependencies: 6