Table:
text: 2007 Kentucky Derby
Kentucky Derby feature key prep races list
Kentucky Derby feature key prep races list
Date_ Track Race Distance Purse_US_ Surface_track Winning_horse Winning_jockey
April 7 Aqueduct Racetrack Wood Memorial Stakes 1⅛ Miles $750,000 Dirt Nobiz Like Shobiz Cornelio Velázquez
April 7 Aqueduct Racetrack Bay Shore Stakes 7 Furlongs $150,000 Dirt Bill Place Cornelio Velázquez
April 7 Santa Anita Park Santa Anita Derby 1⅛ Miles $750,000 Dirt Tiago Mike Smith
April 7 Hawthorne Race Course Illinois Derby 1⅛ Miles $500,000 Dirt Cowtown Cat Fernando Jara
April 14 Keeneland Race Course Blue Grass Stakes 1⅛ Miles $750,000 Dirt Dominican Rafeal Bejarano
April 14 Oaklawn Park Northern Spur Breeders` Cup Stakes 1 Mile $100,000 Dirt Takedown Robby Albarado
April 14 Oaklawn Park Arkansas Derby 1⅛ Miles $1,000,000 Dirt Curlin Robby Albarado

Question: What date is the Northern Spur Breeders' Cup Stakes Race in the 2007 Kentucky Derby Preliminary Race List?