Definition: Given a broad category, generate a trivia-type question based on a specific entity in that category. The question should be non-ambiguous. External resources such as Wikipedia could be used to obtain the facts.

Positive Example 1 -
Input: boat
Output: In 1907, which ill-fated liner of the Cunard Line made its maiden voyage?

Positive Example 2 -
Input: internet
Output: Who created Facebook in 2004?

Negative Example 1 -
Input: location
Output: Ben Collins was 'outed' in January 2009 as which mysterious TV character?

Negative Example 2 -
Input: people
Output: Which actress won the Best Actress Oscar for the 1989 film 'Driving Miss Daisy'?

Now complete the following example -
Input: opera
Output: 



Output:
Who stabbed 'Carmen' in the opera of the same name?
What is the title of the 1866 operetta that Sullivan composed without Gilbert to a libretto by F C Burnand?
'Cio-Cio San' and her maid 'Suzuki' appear in which Puccini opera?
King Claudius and Queen Gertrude appear in which Shakespeare play?
How are the lovers Vrechen and Sali described in the title of a 1906 opera by Delius?
Which operatic character has a son called Dolore?
Escamillo, a bullfighter, is a character in which opera?
Which opera has 'Escamillo' as one of the central characters?
'Adallo', 'Fenena' and 'Abigaillon' are characters in which opera by Verdi?
Which 1790 Mozart opera features the heroines Dorabella and Fiordiligi?
Prince Orlofsky, the maid Rosalinde, Dr Falke and the jailer Frosch, are all characters in which operetta, first performed in 1874?
Which operetta, first performed in 1874, features the character 'Gabriel von Eisenstein', who is given a prison sentence for insulting an official, and is then conspired against by, amongst others, a notary called 'Dr. Falke'?
The character Pooh-Bah appears in which Gilbert & Sullivan operetta?
'Gilda' is the daughter of which eponymous character in a Verdi opera?
Who is the lead female protagonist of Benjamin Britten's opera Gloriana?
In Shakespeare Hamlet who is Ophelia's brother?
What is the name of Hamlet's Uncle who becomes the new King?