user: Question: Who wrote the episode that was set in Winter 1541/February 13, 1542?
Columns: ['No. in series', 'No. in season', 'Title', 'Setting', 'Directed by', 'Written by', 'U.S. viewers (million)', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [29.0, 1.0, '"Moment of Nostalgia"', 'Summer 1540', 'Dearbhla Walsh', 'Michael Hirst', '0.88', 'April11,2010']
SQL:

assistant: SELECT "Written by" FROM "Table" WHERE "Setting" = 'Winter 1541/February 13, 1542';