user: Question: Who was in third place when Guy Sebastian was the winning mentor and Andrew Wishart was the runner-up?
Columns: ['Series', 'Start', 'Finish', 'Winner', 'Runner-up', 'Third place', 'Winning mentor', 'Main host']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['One', '6 February 2005', '15 May 2005', 'Random', 'Russell Gooley', 'Vince Harder', 'Mark Holden', 'Daniel MacPherson']
SQL:

assistant: SELECT "Third place" FROM "Table" WHERE "Winning mentor" = 'Guy Sebastian' AND "Runner-up" = 'Andrew Wishart';