user: Question: What was the prior position held by Wyman Webb?
Columns: ['Name', 'Appointed', 'Prior position', 'Province', 'Nominated by']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Pierre Blais (Chief Justice)', 'February 20, 2008 September 22, 2009', 'Federal Court Federal Court of Appeal', 'Quebec', 'Harper']
SQL:

assistant: SELECT "Prior position" FROM "Table" WHERE "Name" = 'Wyman Webb';