TASK DEFINITION: You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
PROBLEM: Context : The Dutch Top 40 is one of the three official charts in the Netherlands, the other two being the Single Top 100, which is based entirely on sales and streaming and the Mega Top 50 (3FM) which, like the Dutch Top 40 also includes airplay data. 
Subject : Dutch Top 40 
Relation : original network

SOLUTION: Which was the network that originally hosted Dutch Top 40?

PROBLEM: Context : Stamicarbon is the licensing and IP center of Maire Tecnimont SpA and market leader in licensing technology for manufacturing urea as well as provide follow-up services designed to ensure the best possible operation of the urea plant throughout its working life. 
Subject : Stamicarbon 
Relation : parent company

SOLUTION: Which company is the parent company of Stamicarbon?

PROBLEM: Context : Afterwards it appeared in the collection The Wizard of Venus (Ace Books, August 1970). 
Subject : The Wizard of Venus 
Relation : series

SOLUTION:
What series is The Wizard of Venus from?