Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : ``Restful Place'' focuses on a curved limestone bench and above it is an arched bronze and glass canopy. 
Answer : limestone
What is the surface of Restful Place made of?

Context : George and Mildred is a British sitcom produced by Thames Television that aired from 1976 to 1979. 
Answer : Thames Television
What production company or companies created George and Mildred?

Context : The Intersil 6100 was introduced in the second quarter of 1975, and the Harris version in 1976. 
Answer : 1975

What year was Intersil 6100 introduced?