question: Who was the Prussian ruler who at first claimed he would help Austria in its battle with France , but later refused to ?
answer: Frederick William
turker_answer: Frederick William was the PRussian ruler who , at first , claimed he would help Austria in its battler with France but later refused to .
rule-based: The Prussian ruler who at first claimed he would help Austria in its battle with France , but later refused to was Frederick William .