Question: What was the rating of the pilot for the TV series Glee?
About the article "Glee (TV series)", section "Ratings".

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Noah "Puck" Puckerman is a fictional character from the Fox musical comedy-drama series "Glee".
The character is portrayed by actor Mark Salling, and has appeared in "Glee" from its pilot episode, first broadcast on May 19, 2009.
Puck was developed by "Glee" creators Ryan Murphy, Brad Falchuk and Ian Brennan.
He is Finn's best friend and football teammate, who initially disapproves of Finn joining the New Directions glee club at the fictional William McKinley High School in Lima, Ohio, where the show is set, but he eventually joins it himself.
In 2010, Salling was nominated for the Teen Choice Award for Choice TV: Breakout Star Male for his work as Puck, and in 2011 for the Choice TV: Scene Stealer Male category. 
The pilot episode of "Glee" averaged 9.62 million viewers, and the following eleven episodes attained between 6.10 and 7.65 million.
The mid-season finale was watched by 8.13 million viewers, with the show returning in April 2010 to a season high of 13.66 million viewers.
The following six episodes attained between 11.49 and 12.98 million viewers, falling to 8.99 million for the penultimate episode "Funk".
Viewing figures rose to 11.07 million viewers for the season finale, giving "Glee" the highest finale rating for a new show in the 2009–10 television season.
Only the first twenty episodes of the first season were accounted for when calculating the season average due to the final two episodes airing outside the traditional sweeps period.
On February 6, 2011, after the Super Bowl, "Glee" received its highest ever ratings, with over 26.8 million tuning in to see the special episode, with a peak of 39.5 million.
In 2011, "Glee" generated $2 million advertising revenue per half hour.
In 2012, the show was the fourth-highest revenue earning show of the year, with US$2.83 million ad revenue per half hour, behind "Two and a Half Men", "The X Factor (U.S.)" and "American Idol".
Cover versions and remixes.
"Glee" version.
The Fox TV series "Glee" featuring Amber Riley and Naya Rivera (as Mercedes and Santana, respectively) covered the song in the first season episode "Laryngitis".
The song was released as single.
The song was included in "Glee: The Music, Love Songs" and '"Glee: The Music, The Complete Season One".
The song was included in the set list of 2010's dates "Glee Live!
In Concert!
". 
The pilot episode of "Glee" averaged 9.62 million viewers.
Re-aired on September 2, 2009 in a director's cut version, it attained 4.2 million viewers.
The second episode, "Showmance", premiered on September 9, 2009, averaging 7.50 million viewers and achieving a 3.5/9 rating/share in the 18–49 demographic.
However, as Scott Collins for the "Los Angeles Times" noted, the other major networks besides Fox all opened the evening by airing a speech by President Barack Obama, disrupting regular viewing patterns.
Furthermore, the official fall season had yet to begin, placing "Glee" against weaker competition in the ratings than the remainder of the season would experience.
The following eight episodes ranged between 6.63 and 7.65 million viewers, falling to a series low of 6.17 million viewers with "Hairography" on November 25, 2009.
The episode aired the night before Thanksgiving, when all the major networks saw decreased ratings.
Viewership improved for the final two episodes of the first half of the season, with "Mattress" and "Sectionals" drawing 8.15 and 8.13 million viewers respectively.
"Glee" returned on April 13, 2010 with "Hell-O", which was watched by 13.66 million viewers, the series' season high, up 46 percent on its previous season high with the pilot episode.
The following six episodes attained between 11.49 and 12.98 million viewers, falling to 9.02 million for the penultimate episode "Funk".
The episode began with a 3.6/10 rating/share in the 18–49 demographic, rising to 4.1/11 in the last 30 minutes.
It was down 21 percent on the previous episode, but was "Glee" best 18–49 rating for an episode not following "American Idol".
The final episode, "Journey to Regionals", was watched by 11.07 million viewers and attained a 4.7 Nielsen rating in the 18–49 demographic, an increase of 18 percent on the previous episode, giving "Glee" the highest finale rating for a new show in the 2009–2010 television season. 
Three soundtrack albums were released to accompany "Glee" first season: ', ' and '.
Two extended plays (EP) accompanied the episodes "The Power of Madonna" and "Journey to Regionals": ' and ' respectively.
"Glee: The Music, The Complete Season One", a compilation album featuring all 100 studio recordings from the first season, was released exclusively to the iTunes Store.
Five soundtrack albums were released to accompany "Glee" second season: ', featuring Christmas-themed songs, and ', were both released in November 2010; ', ', and ' were 2011 releases, in March, April, and May, respectively.
An EP entitled "" was released to accompany the Halloween episode, "The Rocky Horror Glee Show".
Two EPs were released exclusively at the Target discount chain: "Glee: The Music, Love Songs" in the last week of 2010, and "Glee: The Music, Dance Party" in early September 2011.
"Glee" has been released on several DVD and Blu-ray box-sets.
"Glee – Pilot Episode: Director's Cut" features the pilot episode and a preview of the second episode, "Showmance".
"Glee – Volume 1: Road to Sectionals" contains the first thirteen episodes of season one, and "Glee – Volume 2: Road to Regionals" contains the final nine episodes of the first season.
"Glee – The Complete First Season" was released on September 13, 2010.
Three boxed sets were released for the second season: "Glee Season 2: Volume 1" containing the first ten episodes on January 25, 2011, and both "Glee Season 2: Volume 2" with the final twelve episode and "Glee: The Complete Second Season" with all twenty-two on September 13, 2011.
All three were released on DVD; only the complete season is available on Blu-ray.
Little, Brown Books is in the process of publishing five "Glee"–related young adult novels, which are being developed in collaboration with the show's producers and writers.
The first three novels have been written by Sophia Lowell; the first, "Glee: The Beginning", was released in August 2010 and serves as a prequel to the events of the television series.
Subsequent novels include "Glee: Foreign Exchange", released in February 2011, and "Glee: Summer Break", released in July 2011.
Twentieth Century Fox Consumer Products have plans for a line of "Glee"–related merchandise including games, electrical products, greeting cards, apparel and stationery.
Macy's carry a line of "Glee"–related clothing, and Claire's stock accessories.