Question: In which time period is it valid that the timezone offset of the Mountain Time Zone is -6 hour?
Choices: Vichy France
1910s
Second French Empire
inception
Louis XIV of France
present
year
daylight saving time
Royal Audiencia of Quito
French Committee of National Liberation
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Mountain Time Zone" . ?e <timezone_offset> ?pv . ?pv <pred:unit> "hour" . ?pv <pred:value> "-6"^^xsd:double . [ <pred:fact_h> ?e ; <pred:fact_r> <timezone_offset> ; <pred:fact_t> ?pv ] <valid_in_period> ?qpv .  }
Program:
function: Find
inputs: Mountain Time Zone
function: QueryAttrQualifier
dependencies: 0
inputs: timezone offset
-6 hour
valid in period
Answer: daylight saving time