Title: Incandescent light bulb.
Question: What determines the resistance of a filament?

Title: Santa Monica, California.
Question: What was the population in 2010 according to the Census Bureau?

Title: LaserDisc.
Question: What protection could not be applied to LaserDiscs, making them prone to piracy?

Title: Dwight D. Eisenhower.
Question:
When did Eisenhower become President of the United States?