This competition has now closed. Thanks to everyone who took part and the winner was Lara Burton. Congratulations to her and don't miss this great show (booking details below).

The Royal Opera House has linked up with Whatsonstage.com to give you the chance to win tickets for the delightful The Enchanted Pig, which runs in the Linbury Studio from 10 December to 2 January.

Princesses should marry handsome princes. So what do you do if you find you are fated to marry a hairy, smelly, muddy pig?

This magical family show by Jonathan Dove and writer Alasdair Middleton is heartwarming and original, mixing up elements of a whole mass of fairytales for a witty and gritty modern version that is sure to appeal to the whole family.

For your chance to win two tickets for ROH2's seasonal treat, in The Linbury Studio Theatre, at the Royal Opera House on 15, 16 or 17 December, just send the answer to the following question to opera@whatsonstage.com by Monday 7 December, 10.00am.

Which German academics were known for publishing some of the best-known fairy tales?

A) The Brothers Grimm

B) Walt Disney

C) The Bense Brothers

For further information and to book tickets visit www.roh.org.uk/pig