Act II of which 1948 fairy tale ballet by Frederick Ashton is set at a palace ball?

If you act bluntly and speak without thinking, you're said to shoot from where? Born in Dublin on October 16, 1854, which writer died in Paris on November 30, 1900? Act I of which 1875 opera takes place in a Seville square near a cigarette factory? Act I of which Best Musical for 1997 features an opening sequence called "The Launching"? Act II of which tragedy opens in the house of Polonius? Act III of which 1893 Engelbert Humperdinck opera features a gingerbread waltz? Act IV of which author's 1904 play includes the line "Do you believe in fairies?" Actors Alec, Billy, Daniel and Stephen are brothers with which last name?