Question: When did the ninth season of Will & Grace premiere?

full_context: Document 1: The Big Bang Theory (season 9): The ninth season of the American sitcom "The Big Bang Theory" started airing on CBS on Monday, September 21, 2015. It returned to its regular Thursday time slot on November 5, 2015 for the season's seventh episode. It concluded on May 12, 2016. On March 12, 2014, "The Big Bang Theory" was renewed for an additional three years, extending it through the 2016–17 season for a total of ten seasons. Laura Spencer was upgraded to the main cast during the season as Dr. Emily Sweeney, after being a recurring cast member for two seasons.
Document 2: Our First Day of School: "Our First Day of School" is the ninth season premiere of U.S. comedy-drama television show "Scrubs". It first aired on ABC, on December 1, 2009. Set around 18 months after the eighth season's finale, it is the first episode of "Scrubs" following the show's ninth season revamp, and marks the introduction of the show's new medical school setting while introducing several new main characters to the cast, with most of the previous main characters returning only to be featured in supportive or guest starring roles. Zach Braff, who played central character J.D., agreed to come back for 6 of this season's 13 episodes, and narrates this episode alongside Kerry Bishé, who plays new character and narrator Lucy Bennett. This episode marks the final appearance of The Janitor.
Document 3: SpongeBob SquarePants (season 11): The eleventh season of the American animated television series "SpongeBob SquarePants", created by former marine biologist and animator Stephen Hillenburg, began airing on Nickelodeon in the United States on June 24, 2017, beginning with the episode "Spot Returns"/"The Check-Up". The series chronicles the exploits and adventures of the title character and his various friends in the fictional underwater city of Bikini Bottom.
Document 4: WUPHF.com: "WUPHF.com" is the ninth episode of seventh season of the American comedy television series "The Office", and the show's 135th episode overall. Written by Aaron Shure and directed by Danny Leiner, the episode aired on NBC in the United States on November 18, 2010. This episode received positive reviews and was nominated for the .
Document 5: 11 Years Later: "11 Years Later" is the first episode of the ninth season of the American sitcom "Will & Grace". The episode first aired on September 28, 2017, on NBC.
Document 6: Will &amp; Grace: Will & Grace is an American sitcom created by Max Mutchnick and David Kohan. Set in New York City, the show focuses on the relationship between best friends Will Truman (Eric McCormack), a gay lawyer, and Grace Adler (Debra Messing), a straight interior designer. The show was broadcast on NBC from September 21, 1998 to May 18, 2006, for a total of eight seasons, and re-started its run on NBC on September 28, 2017. During its original run, "Will & Grace" was one of the most successful television series with gay principal characters.
Document 7: The Simpsons (season 9): "The Simpsons"' ninth season originally aired on the Fox network between September 1997 and May 1998, beginning on Sunday, September 21, 1997, with "The City of New York vs. Homer Simpson". The showrunner for the ninth production season was Mike Scully. The aired season contained three episodes which were hold-over episodes from season eight, which Bill Oakley and Josh Weinstein ran. It also contained two episodes which were run by David Mirkin, and another two hold-over episodes which were run by Al Jean and Mike Reiss.
Document 8: Shameless (season 8): The eighth season of "Shameless", an American comedy-drama television series based on the award-winning British series of the same name by Paul Abbott, was announced on December 19, 2016, a day after the seventh season finale. The season will consist of a total of 12 episodes. It is slated to premiere on November 5, 2017.
Document 9: How I Met Your Mother (season 9): The ninth and final season of "How I Met Your Mother", an American sitcom created by Carter Bays and Craig Thomas, premiered on CBS on September 23, 2013, with two episodes, and concluded on March 31, 2014. The show was renewed for the final season on December 21, 2012, after cast member Jason Segel changed his decision to leave the show after Season 8. Cristin Milioti, who was revealed as "The Mother" in the Season 8 finale, was promoted to a series regular, the only time "How I Met Your Mother" added a new regular cast member. Season 9 consists of 24 episodes, each running approximately 22 minutes in length.
Document 10: Suit Warehouse: "Suit Warehouse" is the eleventh episode of the ninth season of the American comedy television series "The Office" and the 187th episode overall. The episode was written by Dan Greaney and directed by Matt Sohn. It originally aired on NBC on January 17, 2013.
Document 11: The Rebound Girl: "The Rebound Girl" is the 11th episode of the seventh season of the CBS sitcom "How I Met Your Mother", and the 147th episode overall. It aired on November 21, 2011.
Document 12: Will &amp; Grace (season 9): The ninth season of the American comedy series "Will & Grace" premiered on September 28, 2017. It will consist of 16 episodes, and is the first of two planned reunion seasons following the series' initial final season in 2006.
Document 13: Scrubs (season 8): The eighth season of the American comedy television series "Scrubs" premiered on ABC on January 6, 2009 and concluded on May 6, 2009 and consists of 19 episodes. The eighth season was the first to be shown on ABC after NBC dropped the series, ending its seven-year run on the network. ABC's pick-up of the show was followed by it commissioning nineteen episodes, which included an hour-long finale. For all of the season's run, it was expected that the eighth season would be the last, especially after the show's creator Bill Lawrence announced it. After rumors surfaced of a ninth season, it was understood that the eighth would be the last to star Zach Braff and much of the main cast. However, the show was later re-commissioned for another season, in which Braff and other cast members appeared for multiple episodes. The eighth season was the first to air in high definition.
Document 14: 9-1-1 (TV series): 9-1-1 is an upcoming American procedural drama that is set for a midseason premiere on Fox during the 2017–18 television season. Created by Ryan Murphy and Brad Falchuk, the series follows the lives of first responders: cops, paramedics and firefighters. The 13-episode first season will star Angela Bassett.
Document 15: Seinfeld (season 7): Season seven of "Seinfeld", an American comedy television series created by Jerry Seinfeld and Larry David, began airing on September 21, 1995, and concluded on May 16, 1996, on NBC.
ground_truth: September 28, 2017, on NBC