Question: What date did the CBC show starring Lauren Barwick debut?

Context paragraphs:
Ève Landry: Ève Landry (born June 5, 1985 in Saint-Pascal, Quebec) is an actress from Quebec.  After a time at the Ligue nationale d'improvisation, she began to appear on TV in the CBC show "Unité 9" in the bad girl character of Jeanne Biron.

Heartland (Canadian TV series): Heartland is a Canadian family drama television series which debuted on CBC on October 14, 2007.

The Morgan Waters Show: The Morgan Waters Show is a six-minute sketch comedy show starring Morgan Waters, made by CBC Television for its afternoon youth programming lineup, next to the 3 minute "Mr. Meaty" and "Yam Roll".  Morgan goes through a variety of situations with most characters being played by himself, including the badminton-loving Goth Trent, Phillip the Nerd, and the lovable CBC Executive, Boss Boss.  Guests appearing on the show include "Canadian Idol" hosts Ben Mulroney and Jon Dore, Rick Mercer, the cast of "", Ashlee Simpson, Simple Plan, OK GO, Alexz Johnson, Ed the Sock, and Tyler Kyte among others.

Sunny Days and Nights: Sunny Days and Nights was a radio comedy show on CBC Radio One that aired during the summer of 2004.  It was ostensibly a CBC show set in the "Hundred Lakes" region of Ontario from the CBC affiliate station CBNR, celebrating its 25th year on air.  It was in fact a satire of overly-earnest regional CBC radio programming, and featured the return of the character of Paul Moth (played by Mack Furlong), previously the hapless host of "The Great Eastern" radio comedy series.

La Soirée du hockey: La Soirée du hockey (literally translated to "The Night of Hockey") was a popular ice hockey show in Canada.  It was the French language Radio-Canada equivalent of the English Canadian CBC show "Hockey Night in Canada".  The show used "The Hockey Theme" as its theme song.

Adam MacDonald: Adam MacDonald (born May 16, 1977) is a Canadian actor and film director.  He is known for his role as Josh MacIntosh on the CBC show "Being Erica", for his starrings role as Peter McGregor on "Wild Roses", and Detective Steve Peck on "Rookie Blue", and for his guest-starring roles in several other shows, including "Murdoch Mysteries", and "Republic of Doyle".  He also starred as Nick McAllister on the short-lived supernatural show "Vampire High".

Michael Magee: Michael Magee (October 11, 1929 – July 15, 2011) was a Canadian actor and author.  He was known for voicing Cyril Sneer and his pet dog Snag in the Canadian animated series "The Raccoons".  and the voice for The Coach on the CBC show, "Yes You Can".

Dragon Boys: Dragon Boys () is a CBC Television (CBC) miniseries starring Eric Tsang, Byron Mann, Lawrence Chou, Tzi Ma, Lauren Lee Smith, Steph Song, Darryl Quon, Christina Ma, Jean Yoon, Simon Wong and Chang Tseng.  It aired on CBC on January 7 and 8 of 2007.

Lauren Barwick: Lauren Barwick (born 12 September 1977 at Langley, British Columbia) is a member of the Canadian Equestrian Team, in grade II Para-Dressage, who has competed in the 2004, 2008 and 2012 Paralympic Games.  She won three medals in those games.  Barwick has featured in CBC's "Heartland" and has several awards.

Joey Scarpellino: Joey Scarpellino (born in 1994) is an actor from Quebec.  After 4 years studying drama arts at La Bulle college, he got his first role on TV in the CBC show "Les Parent".

Supporting paragraphs: Lauren Barwick Heartland (Canadian TV series)
Answer: October 14, 2007