In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
--------
Question: Context: "Westfalian Steamboat" Link Information: none Answer: none

Answer: What do people with the political leanings of the Westfalian Steamboat hold to be true?


Question: Context: At the Northern Ireland Trophy, he beat Robert Stephen 5–0 before falling to David Gilbert 0–5 in qualifying. Link Information: 

Robert Stephen (born 27 June 1984) Answer: David Gilbert

Answer: Which of the players Liang Wenbo faced in the qualifying event at the Northern Ireland Trophy was older?


Question: Context: In September 2005, Ball made his New York City Opera debut as Reginald Bunthorne in Gilbert and Sullivan's Patience. Link Information: The two men collaborated on fourteen comic operas  Answer: fourteen 

Answer:
How many other operas did the composers of Patience write?