what is the {start time} for {Prince Philip, Duke of Edinburgh} has {coat of arms image} as {Arms of Philip Mountbatten (1947-1949).svg} ?
When did the Duke of Edinburgh, Prince Phillip, utilize the arms of Phillip Mountbatten (1947-1949) as his coat of arm?
When did Prince Philip, Duke of Edinburgh use the Arms of Philip Mountbatten (1947-1949) as his coat of arm?
SELECT ?p WHERE { ?b property:coat_of_arms_image ?m . resource:Prince_Philip,_Duke_of_Edinburgh property:coat_of_arms_image ?b . ?b property:start_time ?p . FILTER ( CONTAINS ( ?m , 'Arms of Philip Mountbatten ( 1947-1949 ) . svg' ) ) }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q80976> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P94> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <Arms of Philip Mountbatten (1947-1949).svg> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q80976 p:P94 ?s . ?s ps:P94 ?x filter(contains(?x , 'Arms of Philip Mountbatten (1947-1949).svg')) . ?s pq:P580 ?value}