Question: When was the time offset of -4 hours valid for a time zone of Englewood ?
Choices: First French Empire
daylight saving time
French Fourth Republic
Louis XV of France
year
French Second Republic
Louis XVI of France
standard time
1910s
French First Republic
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "time zone" . ?e_1 <located_in_time_zone> ?e . ?e_1 <pred:name> "Englewood" .  ?e <timezone_offset> ?pv . ?pv <pred:unit> "hour" . ?pv <pred:value> "-4"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <timezone_offset> ; <pred:fact_t> ?pv ] <valid_in_period> ?qpv .  }
Program:
function: Find
inputs: Englewood
function: Relate
dependencies: 0
inputs: located in time zone
forward
function: FilterConcept
dependencies: 1
inputs: time zone
function: QueryAttrQualifier
dependencies: 2
inputs: timezone offset
-4 hour
valid in period
Answer: daylight saving time