You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Newcastle_upon_Tyne

Context:
The city still contains many theatres. The largest, the Theatre Royal on Grey Street, first opened in 1837, designed by John and Benjamin Green. It has hosted a season of performances from the Royal Shakespeare Company for over 25 years, as well as touring productions of West End musicals. The Mill Volvo Tyne Theatre hosts smaller touring productions, whilst other venues feature local talent. Northern Stage, formally known as the Newcastle Playhouse and Gulbenkian Studio, hosts various local, national and international productions in addition to those produced by the Northern Stage company. Other theatres in the city include the Live Theatre, the People's Theatre and the Jubilee Theatre. NewcastleGateshead was voted in 2006 as the arts capital of the UK in a survey conducted by the Artsworld TV channel.

Question:
What was NewcastleGateshead voted in 2006?

arts capital of the UK