TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Field Marshal Arthur Wellesley, shares his better known title with which Southern Hemisphere capital city?

SOLUTION: arthur wellesley, 1st duke of wellington

PROBLEM: On January 26, 1879, who was granted a patent for r an electric lamp using a carbon filament or strip coiled and connected to platina contact wires?

SOLUTION: incandescent light bulb

PROBLEM: Which actor spoke the line I love the smell of napalm in the morning* in the 1979 film Apocalypse Now?

SOLUTION:
apocalypse now