When and for what did Joni Mitchell receive the Grammy Lifetime Achievement Award?
SELECT ?value1 ?value2 WHERE { wd:Q205721 p:P166 ?s . ?s ps:P166 wd:Q935843 . ?s pq:P585 ?value1 . ?s pq:P1346 ?value2 }
joni mitchell: Q205721 grammy lifetime achievement award: Q935843