what is the {point in time} for {Lou Reed} has {award received} as {Rock and Roll Hall of Fame} ?
In what year was Lou Reed awarded the Rock & Roll Hall of Fame?
When was Lou Reed awarded o the Rock and Roll Hall of Fame?
SELECT ?r WHERE { ?w property:point_in_time ?r . ?w property:award_received resource:Rock_and_Roll_Hall_of_Fame . resource:Lou_Reed property:award_received ?w }
select distinct ?value  where {
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?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q179191> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q189080 p:P166 ?s . ?s ps:P166 wd:Q179191 . ?s pq:P585 ?value}