Which Washington, D.C., medical center, founded in 1909, is named for an army surgeon?

What is a dark underground prison cell in a castle called? Which word names both a 1995 David Caruso film and a valuable stone used in Chinese carvings for thousands of years? Which word names both a dawn event and a city in Broward County, Florida? What is a daytime performance of a movie or play called? A penniless Russian student sews a loop in his coat to hold an axe early in which 1866 novel? A deadlocked jury is called what 4-letter word? A deadly disease was identified after an outbreak at which group's 1976 convention in Philadelphia? A deaf and blind girl gets help from a special teacher in which 1959 play?