user: Question: In the original cast, who played the character portrayed by Christopher Harris in Wales?
Columns: ['Character', 'Original Cast, 2009', 'Revival Cast, 2010', 'Wales Cast, 2012', 'New Zealand Cast, 2012', 'Australian Cast, 2012']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['William Carlisle', 'Tom Sturridge', 'Rupert Simonian', 'Samuel Harris', 'Nathan Mudge', "Sam O'Sullivan"]
SQL:

assistant: SELECT "Original Cast, 2009" FROM "Table" WHERE "Wales Cast, 2012" = 'Christopher Harris';