Error: wikidatasparql: missing query parameter in: wikidatasparql://query.wikidata.org/?query=#How many musicians dies at certain age%0A#added before 2016-10%0A%0A   # Query to find all musicians who have already died %0A   # calculate their age (full years) at death%0A   # count how many of them died at each age%0A%0A    SELECT ?age  (COUNT (DISTINCT ?a) AS ?count) WHERE {%0A        ?a wdt:P31 wd:Q5 . #instance of human%0A        ?a wdt:P106/wdt:P279 wd:Q639669 . #occupation a subclass of musician%0A        ?a p:P569/psv:P569 ?birth_date_node . %0A        ?a p:P570/psv:P570 ?death_date_node .%0A        ?birth_date_node wikibase:timeValue ?birth_date .%0A        ?death_date_node wikibase:timeValue ?death_date .%0A        FILTER(?age > 10 && ?age < 100) . #ignore outlyers, several of which are probably errors%0A        BIND( year(?death_date) - year(?birth_date) - if(month(?death_date)<month(?birth_date) || (month(?death_date)=month(?birth_date) && day(?death_date)<day(?birth_date)),1,0) as ?age )%0A        # calculate the age, precisely to the day (times and timezones ignored)%0A    } %0A%09GROUP BY ?age%0A    ORDER BY ?age
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