user: Question: What is the latest episode written by  John Shiban & Thomas Schnauz?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [21.0, 1.0, '"No Más"', 'Bryan Cranston', 'Vince Gilligan', 'March21,2010', '1.95']
SQL:

assistant: SELECT MAX("No. in series") FROM "Table" WHERE "Written by" = 'John Shiban & Thomas Schnauz';