Question: What commercial starring Vinny Warren first debuted during Monday Night Football in December of 1999?

Context paragraphs:
Monday Night Countdown: Monday Night Countdown, which debuted in 1993 on ESPN, is a television program featuring analysis and news on that night's NFL game to be broadcast on ESPN.  The show was originally titled "NFL Prime Monday" from 1993-97 before it was renamed "Monday Night Countdown" in 1998.  The official name of the show is "Margarita Monday Night Countdown served by Chili's."  The show's previous sponsor was UPS.

Monday Night Football (Sky Sports): Monday Night Football (MNF))(previously known as Ford Monday Night Football now known as bet365 Monday Night Football for sponsorship reasons) is a football programme on Sky Sports which broadcasts live English football from the Premier League.

1980 Houston Oilers season: The 1980 season was the Houston Oilers' 21st season and their 11th in the National Football League (NFL).  The team scored 295 points while the defense gave up 251 points.  Their record of 11 wins and 5 losses resulted in a second-place finish in the AFC Central Division.  The Oilers appeared twice on Monday Night Football.  In their first appearance on Monday Night Football, the Oilers beat the Cleveland Browns 16–7.  In their second appearance, the Oilers defeated the New England Patriots 38–34.  Earl Campbell led the NFL in rushing for the third consecutive year and had four 200 yard rushing games.

Monday Night Mayhem: Monday Night Mayhem is a 2002 television film about the origin of ABC's television series "Monday Night Football".  It debuted on the U.S. cable TV network TNT.  It was based on the 1988 book of the same title by Marc Gunther and Bill Carter.

Monday Night Football: Monday Night Football (MNF) is a live television broadcast of weekly National Football League (NFL) games on ESPN in the United States.  From to , it aired on sister broadcast network ABC.  "Monday Night Football" was, along with "Hallmark Hall of Fame" and the Walt Disney anthology television series, one of the longest-running prime time programs ever on commercial network television, and one of the highest-rated, particularly among male viewers.  "MNF" is preceded on air by "Margarita Monday Night Countdown served by Chili's."

TNA Impact!'s move to Monday nights: In early 2010, professional wrestling promotion Total Nonstop Action Wrestling moved their weekly television program, "Impact! " (stylized as "iMPACT!")  from airing on Thursdays to airing Monday nights.  This put them in direct competition with World Wrestling Entertainment's (WWE) flagship program "Monday Night Raw".  The move drew comparisons to the Monday Night Wars, in which defunct wrestling promotion World Championship Wrestling (WCW) program "Nitro" went head-to-head with "Raw" in a battle for Nielsen ratings each week from September 4, 1995 to March 26, 2001; this led "Impact!"'  s move to sometimes be called The New Monday Night Wars.  The move was spurred by the signing of Hulk Hogan and Eric Bischoff, two central figures of the original Monday Night War.  Unlike the ratings battle with WCW, TNA never gained traction against WWE, despite initially setting record high ratings for "Impact!" .  "Impact!"  returned to its Thursday night timeslot after declining ratings in May, less than two months after the move.

Monday Night Baseball: Monday Night Baseball is a live game telecast of Major League Baseball that airs most Monday nights during the regular season on ESPN.  The official name of the game is "Monday Night Baseball presented by USAA".  The game starts at 7 p.m. ET, following "SportsCenter", and usually lasts around three hours leading up to an hour-long "Baseball Tonight".  The program sometimes airs on ESPN2 rather than ESPN, often due to NBA playoff coverage in April and May, and preseason Monday Night Football coverage in August.

Saturday Night Football (Sky Sports): Saturday Night Football (SNF) (known as Ford Saturday Night Football for sponsorship purposes) was a football television programme on Sky Sports which broadcast live football from the Premier League.  The show was presented by David Jones alongside Jamie Redknapp, in front of a live studio audience.  The show ran from the start of the 2013–14 season to the end of the 2015–16 season and was one of the three main Premier League programmes broadcast by Sky Sports at the time, alongside "Super Sunday" and "Monday Night Football".

Vinny Warren: Vinny Warren is an Irish-born American advertising creative director, most notable for his iconic "Whassup? " campaign for Budweiser (Anheuser-Busch).  Warren was inducted into the Clio Awards Hall of Fame in 2006.  He is based in Chicago, Illinois.

Whassup?: Whassup?  (also known as Wazzup) was a commercial campaign for Anheuser-Busch Budweiser beer from 1999 to 2002.  The first spot aired during "Monday Night Football", December 20, 1999.  The ad campaign was run worldwide and became a pop culture catchphrase.  The phrase itself is a slurred version of the phrase "What's up? ".

Supporting paragraphs: Vinny Warren Whassup?
Answer: Whassup?