What is the original air date for episode 17 in the season?
{'header': ['No. in season', 'No. disc', 'Title', 'Directed by', 'Written by', 'Original air date'], 'page_title': '', 'page_id': '', 'types': ['real', 'real', 'text', 'text', 'text', 'text'], 'id': '1-15431251-1', 'section_title': '', 'caption': '', 'rows': [['1', '1', '"Into the Fire (2)"', 'Martin Wood', 'Brad Wright', 'June25,1999 ( Showtime )'], ['2', '1', '"Seth"', 'William Corcoran', 'Jonathan Glassner', 'July2,1999 (Showtime)'], ['3', '1', '"Fair Game"', 'Martin Wood', 'Robert C. Cooper', 'July9,1999 (Showtime)'], ['4', '1', '"Legacy"', 'Peter DeLuise', 'Tor Alexander Valenza', 'July16,1999 (Showtime)'], ['5', '2', '"Learning Curve"', 'Martin Wood', 'Heather E. Ash', 'July23,1999 (Showtime)'], ['7', '2', '"Deadman Switch"', 'Martin Wood', 'Robert C. Cooper', 'August6,1999 (Showtime)'], ['8', '2', '"Demons"', 'Peter DeLuise', 'Carl Binder', 'August13,1999 (Showtime)'], ['9', '2', '"Rules of Engagement"', 'William F. Gereghty', 'Terry Curtis Fox', 'August20,1999 (Showtime)'], ['10', '3', '"Forever in a Day"', 'Peter DeLuise', 'Jonathan Glassner', 'October8,1999 (Showtime)'], ['11', '3', '"Past and Present"', 'William F. Gereghty', 'Tor Alexander Valenza', 'October15,1999 (Showtime)'], ['12', '3', '"Jolinar\'s Memories (1)"', 'Peter DeLuise', 'Sonny Wareham & Daniel Stashower', 'October22,1999 (Showtime)'], ['13', '3', '"The Devil You Know (2)"', 'Peter DeLuise', 'Robert C. Cooper', 'October29,1999 (Showtime)'], ['14', '4', '"Foothold"', 'Andy Mikita', 'Heather E. Ash', 'November5,1999 (Showtime)'], ['15', '4', '"Pretense"', 'David Warry-Smith', 'Katharyn Powers', 'December12,1999 ( Sky One )'], ['16', '4', '" Urgo "', 'Peter DeLuise', 'Tor Alexander Valenza', 'December19,1999 (Sky One)'], ['17', '4', '"A Hundred Days"', 'David Warry-Smith', 'Brad Wright', 'January7,2000 (Sky One)'], ['18', '5', '"Shades of Grey"', 'Martin Wood', 'Jonathan Glassner', 'January14,2000 (Sky One)'], ['19', '5', '"New Ground"', 'Chris McMullen', 'Heather E. Ash', 'January21,2000 (Sky One)'], ['20', '5', '"Maternal Instinct"', 'Peter Woeste', 'Robert C. Cooper', 'January28,2000 (Sky One)']], 'name': 'table_15431251_1'}