user: ### NOW ANSWER:
Question: What is the episode number where Jim Sweeney was performer 1 and Mike McShane was performer 4?
Columns: ['Date', 'Episode', 'Performer 1', 'Performer 2', 'Performer 3', 'Performer 4']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['5 March 1993', 1.0, 'Greg Proops', 'Ryan Stiles', 'Colin Mochrie', 'Tony Slattery']
SQL:

assistant: SELECT SUM("Episode") FROM "Table" WHERE "Performer 1" = 'Jim Sweeney' AND "Performer 4" = 'Mike McShane';