Question: Incandescent light bulbs consist of an air-tight glass enclosure (the envelope, or bulb) with a filament of tungsten wire inside the bulb, through which an electric current is passed. Contact wires and a base with two (or more) conductors provide electrical connections to the filament. Incandescent light bulbs usually contain a stem or glass mount anchored to the bulb's base that allows the electrical contacts to run through the envelope without air or gas leaks. Small wires embedded in the stem in turn support the filament and its lead wires.
Is there an answer to this question: What has four conductors that provide electrical connections to the filament?

Answer: unanswerable

Question: A test given to new students by Stanford University Music Professor Jonathan Berger showed that student preference for MP3-quality music has risen each year. Berger said the students seem to prefer the 'sizzle' sounds that MP3s bring to music.
Is there an answer to this question: What kind of sound did students seem to prefer?

Answer: sizzle

Question: In the same year the first hydrogen-cooled turbogenerator went into service with gaseous hydrogen as a coolant in the rotor and the stator in 1937 at Dayton, Ohio, by the Dayton Power & Light Co.; because of the thermal conductivity of hydrogen gas, this is the most common type in its field today.
Is there an answer to this question: What state is the Dayton Power and light Company located?

Answer: Ohio

Question: The firm of John Russell Pope designed Broad Street Station as well as Branch House on Monument Avenue, designed as a private residence in the Tudor style, now serving as the Branch Museum of Architecture and Design. Broad Street Station (or Union Station), designed in the Beaux-Arts style, is no longer a functioning station but is now home to the Science Museum of Virginia. Main Street Station, designed by Wilson, Harris, and Richards, has been returned to use in its original purpose. The Jefferson Hotel and the Commonwealth Club were both designed by the classically trained Beaux-Arts architects Carrere and Hastings. Many buildings on the University of Richmond campus, including Jeter Hall and Ryland Hall, were designed by Ralph Adams Cram, most famous for his Princeton University Chapel and the Cathedral of Saint John the Divine.
Is there an answer to this question: What is another name for Broad Street Station?

Answer:
Union Station