Anatomically, the ischium is part of which bone?

Anatoly Karpov was world champion of which game from 1975 until he lost to Garry Kasparov in 1985? What nickname did Hall of Fame pitcher Mordecai Brown get because of a childhood farm machinery accident? Which curved pasta, often used in macaroni and cheese, is named for an arm joint? Which anatomical term do wine tasters use for a wine's bouquet? Which newsman anchored the NBC Nightly News from 1970 to 1982 and died in 1996? "Anchors Aweigh" was written for the class of 1907 at which military academy? "Ancien Régime" refers to the government of France before which event of 1789? Which ancient British queen led a revolt against the Romans?