Question: What was the dining room area of the studio before it was used for "Hell's Kitchen?"
About the article "Hell's Kitchen (U.S. TV series)", section "Setting".

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For the show's first two seasons, the "Hell's Kitchen" restaurant set itself was housed in the former studios of Los Angeles television station KCOP at 915 North La Brea Avenue, in Hollywood, which at one time hosted production of game shows "Tic Tac Dough" and "The Joker's Wild".
Originally the studio was put up for sale, but in the end they were retooled for the production of "Hell's Kitchen".
The dining room area was the location of the former KCOP news studios, and living quarters for the contestants were built on behind the restaurant.
Before season three, the Hell's Kitchen facility was moved to Century Studios at 3322 La Cienega Place in Los Angeles.
Since the fourth season, Hell's Kitchen's venue has been located at 8660 Hayden Place in Culver City.
According to Arthur Perkins, the soundstage is only open for audience members when filming is taking place.
The studio sits on the former location of the famous RKO Forty Acres backlot, which was used in movies such as Gone With The Wind and television series such as "The Andy Griffith Show" and "The Adventures of Superman".
The studio building sits on the location of the military camp seen in the television series "Gomer Pyle U.S.M.C.
".
The President's Dining Room is located in the northwest corner of the second floor of the White House.
It was created in 1961 during the administration of John F. Kennedy to provide a dining room in the First Family's residence.
The room had previously been used as a bedroom and sitting room.
It is located directly above the Family Dining Room on the State Floor and looks out upon the North Lawn.
The Dining Room is adjacent to a small kitchen, and serviceable by a dumbwaiter connecting it to the main kitchen on the ground floor.
From 1929 to 1948, this room was known as the Lincoln Bedroom, before that it was known as the "Prince of Wales Room". 
The room to the right of the Back Hallway was known as the Blue Room.
The name came from the color of the wall when the Gallery first opened.
This was the largest exhibit area until early 2007, when the room was divided in half.
One half was given to Club 33 as storage space which was then turned into Club 33's kitchen.
The half that remained as the Gallery was a more intimate space.
When the Blue Room was whole, a side balcony on the far side of the room was used as a VIP seating area for Fantasmic!
This balcony was off-limits to guests at all times, and was only reserved for special guests of The Walt Disney Company.
This room would have been The Royal Suite's Formal Dining Room.
Originally rectangular in shape, it would have accommodated a large dining room table that could have probably seated 15 - 20 guests.
On the far side of the room was an outline for a doorway that would have led to the Club 33 kitchen.
The Royal Suite had no real kitchen, so it was necessary for the Club's chefs to provide all the meals. 
The house used for the second season was a one story house with four bedrooms, a kitchen and dining room, and one bathroom.
The house was an estimated 1,800 square feet, and was located at the CBS Studio Center in Hollywood, California.
It featured a total of 38 cameras and 62 microphones, making all areas of the house visible.
During their stay in the house, the HouseGuests were required to wear microphones at all times, ensuring everything they said in the house was heard.
Throughout the house there are two way mirrors lined against the walls, with a production team filming behind them.
The bedrooms featured thermal imaging cameras, allowing the cameras to continue filming while the lights were off.
The majority of the living room features red colors, as did the kitchen and dining room.
The dining room saw the inclusion of a round table, where the weekly nomination ceremony would take place.
The bathroom featured mainly blue and white colors.
There were three bedrooms eligible for all of the HouseGuests to use, while one was reserve solely for the Head of Household.
The backyard featured a patio area for the HouseGuests to sit, as well as a pool, jacuzzi, and basketball court. 
It is believed the Metlar family removed the kitchen wing around 1870.. A shadow, or kitchen "ghost," of the removed structure is visible on the exterior due to the different colored mortar between the stones.
Within the shadow, an outline of the doorway that led into this room is visible.
Due to its proximity to the kitchen, this room was most likely used primarily for dining or entertaining.