Question: Dana Fox, is an American screenwriter best known as the writer of What Happens in Vegas, released in which year, an American comedy film directed by Tom Vaughan, written by Dana Fox?

Context paragraphs:
So Undercover: So Undercover is a 2012 American action-comedy film directed by Tom Vaughan and written by Allan Loeb and Steven Pearl.  Starring Miley Cyrus, Jeremy Piven, and Mike O'Malley, the film was released for the first time in the United Arab Emirates on December 6, 2012 and released direct-to-video in the United States on February 5, 2013.  The film has been released in theatres of only 13 countries worldwide.

Starter for 10 (film): Starter for 10 is a 2006 British comedy-drama film directed by Tom Vaughan from a screenplay by David Nicholls, adapted from his own novel "Starter for Ten".  The film stars James McAvoy as a university student who wins a place on a "University Challenge" quiz team.  It premiered at the Toronto International Film Festival in September 2006, and was released in the UK and Ireland on 10 November 2006, and in Canada and the US on 23 February 2007.

Playing House (2011 film): Playing House is a 2011 American direct-to-video thriller film directed by Tom Vaughan starring Shelley Calene-Black, Alex Dorman and Mari E. Ferguson in lead roles.

Everyone's Hero: Everyone's Hero is a 2006 American computer-animated sports comedy film directed by Colin Brady, Christopher Reeve, and Daniel St. Pierre.  It was produced by IDT Entertainment in Toronto, with portions outsourced to Reel FX Creative Studios.  It was distributed by 20th Century Fox and released theatrically on September 15, 2006.  "Everyone's Hero" earned $16 million worldwide during its theatrical run.  The film stars Jake T. Austin, William H. Macy, Rob Reiner, Brian Dennehy, Raven-Symoné, Robert Wagner, Richard Kind, Dana Reeve, Joe Torre, Mandy Patinkin, Forest Whitaker, Robin Williams and Whoopi Goldberg.  "Everyone's Hero" was released on DVD on March 20, 2007, by 20th Century Fox Home Entertainment.

Isn't It Romantic (2019 film): Isn't It Romantic is an upcoming American romantic comedy film directed by Todd Strauss-Schulson and written by Erin Cardillo, Dana Fox, Katie Silberman, and Paula Pell.  The film stars Rebel Wilson, Adam DeVine, Liam Hemsworth, Priyanka Chopra, and Betty Gilpin.  It is scheduled to be released on February 14, 2019, by Warner Bros.  Pictures.

Dana Fox: Dana Fox (born July 16, 1976) is an American screenwriter best known as the writer of "The Wedding Date" (2005), "What Happens in Vegas" (2008) and the television comedy series "Ben and Kate".

What Happens in Vegas: What Happens in Vegas is a 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher.  The title is based on the Las Vegas marketing catchphrase "What happens in Vegas, stays in Vegas."

Couples Retreat: Couples Retreat is a 2009 American romantic comedy film directed by Peter Billingsley marking his directorial debut, and written by Jon Favreau, Vince Vaughn, Dana Fox, Curtis Hanson, and Greg Beeman.  Vaughn and Favreau star with Jason Bateman, Faizon Love, Kristin Davis, Malin Åkerman, Kristen Bell, and Jean Reno.  It was released on October 9, 2009, in the United States.  The film was shot mostly on the French Polynesian island of Bora Bora.  This film has been rated PG-13.

Some Kind of Beautiful: Some Kind of Beautiful (Canadian title: How to Make Love Like an Englishman, UK title: Lessons in Love) is a 2014 comedy/romance film written by Matthew Newman and directed by Tom Vaughan.  The film stars Pierce Brosnan, Jessica Alba and Salma Hayek.  The movie is produced by Kevin Frakes and Richard Lewis.

National Lampoon's European Vacation: European Vacation (originally given the working title Vacation '2' Europe) is a 1985 American comedy film directed by Amy Heckerling and written by John Hughes and Robert Klane based on a story by Hughes.  The second film in National Lampoon's "Vacation" film series, it stars Chevy Chase and Beverly D'Angelo.  Dana Hill and Jason Lively replace Dana Barron and Anthony Michael Hall as Griswald children Audrey and Rusty.  After Hall declined to reprise his role (he decided to star in "Weird Science" instead), the producers decided to recast both children.

Supporting paragraphs: Dana Fox What Happens in Vegas
Answer: 2008