What was the original air for the 06-03-521 production code?
{'header': ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code'], 'page_title': '', 'section_title': '', 'caption': '', 'rows': [['86', '1', '"Vegas"', 'Bryan Cranston', 'Michael Glouberman & Andrew Orenstein', 'November 2, 2003', '06-03-501'], ['87', '2', '"Watching the Baby"', 'Levie Isaacks', 'Alex Reid', 'November 9, 2003', '06-03-502'], ['88', '3', '"Goodbye Kitty"', 'Jimmy Simons', 'Gary Murphy & Neil Thompson', 'November 16, 2003', '06-03-503'], ['89', '4', '"Thanksgiving"', "David D'Ovidio", 'Matthew Carlson', 'November 23, 2003', '06-03-504'], ['90', '5', '"Malcolm Films Reese"', 'Levie Isaacks', 'Dan Kopelman', 'November 30, 2003', '06-03-505'], ['91', '6', '"Malcolm\'s Job"', 'Steve Welch', 'Maggie Bandur', 'December 7, 2003', '06-03-506'], ['92', '7', '"Christmas Trees"', 'Steve Love', 'Alex Reid', 'December 14, 2003', '06-03-507'], ['93', '8', '"Block Party"', 'Levie Isaacks', 'Rob Ulin', 'January 4, 2004', '06-03-508'], ['94', '9', '"Dirty Magazine"', 'Bryan Cranston', 'Eric Kaplan', 'January 11, 2004', '06-03-509'], ['95', '10', '"Hot Tub"', 'Jimmy Simons', 'Andy Bobrow', 'January 25, 2004', '06-03-510'], ['96', '11', '"Ida\'s Boyfriend"', 'Peter Lauer', 'Neil Thompson', 'February 8, 2004', '06-03-512'], ['97', '12', '"Softball"', 'Ken Kwapis', 'Michael Glouberman', 'February 15, 2004', '06-03-511'], ['98', '13', '"Lois\' Sister"', "David D'Ovidio", 'Gary Murphy', 'February 22, 2004', '06-03-513'], ['99', '14', '"Malcolm Dates a Family"', 'Steve Welch', 'Rob Ulin', 'March 14, 2004', '06-03-514'], ['100', '15', '"Reese\'s Apartment"', 'David Grossman', 'Dan Kopelman', 'March 21, 2004', '06-03-515'], ['101', '16', '"Malcolm Visits College"', 'Peter Lauer', 'David Wright', 'March 28, 2004', '06-03-517'], ['102', '17', '"Polly in the Middle"', 'Steve Love', 'Matthew Carlson', 'April 25, 2004', '06-03-516'], ['103', '18', '"Dewey\'s Special Class"', "David D'Ovidio", 'Maggie Bandur', 'May 2, 2004', '06-03-519'], ['104', '19', '"Experiment"', 'Bryan Cranston', 'Alex Reid', 'May 2, 2004', '06-03-518'], ['105', '20', '"Victor\'s Other Family"', 'David Grossman', 'Eric Kaplan', 'May 9, 2004', '06-03-520'], ['106', '21', '"Reese Joins the Army: Part 1"', 'Steve Love', 'Andy Bobrow', 'May 16, 2004', '06-03-521']]}