Question: from 1969 to 1979, Arno Schmidt was the executive chef of a hotel located in which neighborhood in New York ?

Context paragraphs:
John Doherty (chef): John Doherty (born circa 1958) is a prominent chef, who served as the executive chef of the Waldorf Astoria hotel in New York City for 23 years, leaving in 2009.  He had served at the Waldorf for an entirety of 30 years, and became executive chef of the Waldorf in 1985 at the age of 27, the youngest person ever to be named to the position.  He graduated from the Culinary Institute of America in 1978, where he was voted "most likely to succeed".

Tom Valenti: Tom Valenti is the former Executive Chef of Le Cirque Restaurant in Midtown Manhattan, in New York City.  Previously, he was Executive Chef and co-owner of Ouest Restaurant on the Upper West Side of Manhattan which shuttered in 2015.  The recipient of many awards for his comfortable cooking style, Valenti is best known for his salmon gravlax and slow-cooked meats, particularly braised lamb shanks.  On October 28, 2008, he opened a new restaurant, named The West Branch, just a few blocks south of his flagship location.  Additionally, Valenti released his third cookbook, "You Don't Have to be Diabetic to Love This Cookbook", in June 2009, dedicated to recipes for diabetic diets.  Valenti was the driving force behind the creation of the Windows of Hope Family Relief Fund, established to benefit the surviving family members of foodservice-related victims of the September 11, 2001 attacks.

Daniel Humm: Daniel Humm (born 1976 in Strengelbach) is a Swiss chef and restaurant owner; he is chef/co-owner of Eleven Madison Park and The NoMad in New York City, the former a recipient of three Michelin stars.  His cuisine is focused on the locally sourced ingredients of New York, with an emphasis on simplicity, purity, and seasonal flavors.  A native of Switzerland, he was exposed to a range of food at a very young age, and began working in kitchens at the age of 14.  From there he spent time in some of the finest Swiss hotels and restaurants before earning his first Michelin star at the age of 24.  In 2003, Daniel moved to the United States to become the executive chef at Campton Place in San Francisco where he received four stars from the San Francisco Chronicle.  Three years later, he moved to New York to become the executive chef at Eleven Madison Park.  In 2017, Eleven Madison Park became number 1 on the San Pellegrino World's 50 Best Restaurants.

Laurent Manrique: Laurent Manrique (born March 30, 1966) is a French restaurateur and Michelin-starred chef.  Currently overseeing projects in New York and San Francisco, Laurent has extensive professional experience in both locales.  He was the Corporate Executive Chef of Aqua, an upscale seafood restaurant in San Francisco, where he earned 2 Michelin stars in 2006, the first time Michelin came to the San Francisco Bay Area, and again in 2007 and 2008.  Upon his departure in 2009, the restaurant lost its Michelin status.  For several years, he has overseen the Cafe de la Presse, located on the corner of Bush Street and Grant Avenue, as well as two wine bars: Blanc et Rouge and Rouge and Blanc.  In New York, he recently opened Millesime, a seafood brasserie in the Carlton Hotel.

Arno Schmidt (chef): Arno Schmidt (born c. 1935 in Salzburg) is an Austrian chef and food critic and writer.  With a background working for hotels such as the Grand Royal Hotel in Stockholm and the Hotel Victoria in Zermatt, Switzerland, arrived in New York City in 1959 and worked for the Regency Hotel before becoming the executive chef of the prestigious Waldorf Astoria New York from 1969 to 1979.

Lynn Crawford: Lynn Crawford (born 1964) is a Canadian chef, trained at George Brown College in Toronto.  She has one daughter, Addie Pepper Nicholson Crawford, born October 24, 2016 (with wife Lora Kirk), and one son Bradley "Brad" Crawford born in 1989. She is known for her appearances on the hit Food Network show "Restaurant Makeover", which is seen in over 16 countries worldwide.  She was formerly the executive chef at the Four Seasons in Toronto and the former executive chef of the Four Seasons in New York.  She appeared on the Food Network's "Iron Chef America" (the third chef from Canada to do so), in a battle with Iron Chef Bobby Flay.  The episode first aired on March 7, 2007 with peanut as the theme ingredient.  Crawford lost the battle to Chef Flay.

Geoffrey Zakarian: Geoffrey Zakarian (born July 25, 1959) is an American Iron Chef, restaurateur, television personality and author.  He is the executive chef of several restaurants in New York City, Atlantic City and Miami.  He is featured on several television programs on the Food Network, including "Chopped" and in 2011, "The Next Iron Chef", where he won the right to join "Iron Chef America".

Elizabeth Falkner: Elizabeth Falkner (born in San Francisco) is a consulting chef working and living in New York who has been cooking since 1990.  She frequently appears as a competitor and sometimes a judge on many of the cooking competitions on television from "The Next Iron Chef, Super Chefs", 2011 and "The Next Iron Chef, Redemption", 2012, (both Food Network), as well as "Chopped All Stars", (Food Network), "Top Chef Masters", "Top Chef", "", (Bravo), "Top Chef, Canada", "Food Network Challenge", (Food Network) on.  Falkner was the executive/chef/pastry chef and managing partner of Citizen Cake for 14 years, and executive chef and co-owner/co-managing partner of Orson for 4 years, restaurants located in San Francisco, California, U.S..  Both establishments closed in 2011.  In 2012 Falkner won First Prize at the World Pizza Championships in Naples, Italy with her innovative "Finocchio Flower Power" pizza.  Falkner relocated to Brooklyn, NY in 2012 and was employed at Krescendo for seven months.

Gavin Kaysen: Gavin Kaysen (born 1979 in Thousand Oaks, California) is executive chef and owner of Spoon and Stable Restaurant in Minneapolis, MN, and Bellecour in Wayzata, MN.  He was, before that, the Executive Chef and Director of Culinary operations for Daniel Boulud in New York City, over seeing Cafe Boulud in Palm Beach, Toronto and New York City.

Waldorf Astoria New York: The Waldorf Astoria New York is a luxury hotel in Manhattan, New York City.  The hotel has been housed in two historic landmark buildings in New York.  The first, bearing the same name, was built in two stages, as the Waldorf Hotel and the Astoria Hotel, which accounts for its dual name.  That original site was situated on Astor family properties along Fifth Avenue, opened in 1893, and designed by Henry J. Hardenbergh.  It was demolished in 1929 to make way for the construction of the Empire State Building.  The present building, at 301 Park Avenue between 49th and 50th Streets in Midtown Manhattan, is a 47-story 190.5 m Art Deco landmark designed by architects Schultze and Weaver, which was completed in 1931.  The current hotel was the world's tallest hotel from 1931 until 1963, when it was surpassed by Moscow's Hotel Ukraina by 7 m .  An icon of glamour and luxury, the current Waldorf Astoria is one of the world's most prestigious and best known hotels.  Waldorf Astoria Hotels and Resorts is a division of Hilton Hotels, and a portfolio of high-end properties around the world, now operate under the name, including New York.

Supporting paragraphs: Arno Schmidt (chef) Waldorf Astoria New York
Answer: Manhattan