What is {battle} of {formation} of {6th Bomber Corps} ?
When was the { 6th Bomber Corps } battle { formed }?
When did {battle} of {6th Bomber Corps} {formed}  ?
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SELECT ?answer WHERE { wd:Q18234919 wdt:P241 ?X . ?X wdt:P607 ?answer}
Chernobyl disaster Korean War Spanish Civil War Soviet–Afghan War Winter War Battles of Khalkhin Gol War of Attrition