Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: 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?

Answer: incandescent light bulb

Question: Court Philippe Chatrier, which has stands named after Jacques Toto Brugnon, Jean Borotra, Henri Cochet, and Ren Lacoste, is the main court of an international tennis venue in which city?

Answer: stade roland garros

Question: Which novelist appeared in the film Day For Night?

Answer:
day for night