Question: Chez Tortoni was in the museum in Boston until it was stolen on what date?

Context paragraphs:
Chez Tortoni: Chez Tortoni is a painting by the French artist Édouard Manet, painted ca. 1878–1880.  The oil-on-canvas painting measures 26 x .  The painting hung in the Isabella Stewart Gardner Museum of Boston, Massachusetts, United States, prior to being stolen in 1990.

Elvis-A-Rama Museum: The Elvis-A-Rama Museum in Paradise, Nevada was a large private collection of Elvis memorabilia owned by Chris Davidson which featured an 85 ft mural about Elvis' life and career.  The museum opened on November 5, 1999, and showcased more than $5,000,000 worth of Elvis' vehicles, jumpsuits, guitars and other memorabilia.  The museum was housed in an 8200 sqft building that contained the museum, 100 person showroom and extensive gift shop.  All the showcases of Elvis's belongings were enhanced with murals by renowned artist Robert Emerald Shappy.Over thirty paintings were created by Shappy for both the museums in Nevada.  The artwork was valued by Davison at $250,000.  A break-in occurred at the museum on March 17, 2004 with almost $300,000 worth of memorabilia stolen including Elvis' jewelry and a .38 special handgun.  The stolen items were recovered on November 3, 2005 with the assistance of Duke Adams, an Elvis impersonator who was approached by, Eliab Aguilar, who was subsequently arrested by Las Vegas Metro for the robbery.  The museum was located at 3401 Industrial Road.

The Sports Museum: The Sports Museum (also known as The Sports Museum of New England) is a non-profit museum currently located in the TD Garden in Boston, Massachusetts.  The museum was founded in 1977 in nearby Cambridge, Massachusetts before eventually moving to Boston to the Garden, which has been home to Celtics and Bruins for twenty years.  The museum's exhibits focus on the history of various sports in the Boston area, including the Boston Bruins, Boston Celtics, Boston Red Sox, New England Patriots, Boston Marathon, New England Revolution, boxing, college sports, and others.  The museum features diverse sports memorabilia, curiosities, and life-size sculptures of Bobby Orr, Larry Bird, Carl Yastrzemski and Ted Williams by Rhode Island sculptor Armand LaMontagne.  The museum is normally open daily between 10 AM and 4 PM, but may close when an event or game is scheduled in the Garden.  It is located on a subway stop.

The Concert (Vermeer): The Concert ( 1664) is a painting by Dutch painter Johannes Vermeer.  The 72.5 by picture depicts a man and two women playing music.  It belongs to the Isabella Stewart Gardner Museum in Boston, but was stolen in 1990 and remains missing.  It is thought to be the most valuable unrecovered stolen painting ever, with a value estimated at over $200,000,000.

National Museum of Iraq: The National Museum of Iraq (Arabic: المتحف العراقي) is a museum located in Baghdad, Iraq.  Also known as the Iraq Museum, it contains precious relics from the Mesopotamian, Babylonian and Persian civilization.  It was looted during and after the 2003 Invasion of Iraq.  International efforts led to many stolen artifacts being returned.  After being closed for many years while being refurbished, and rarely open for public viewing, the museum was officially reopened in February 2015.

Boston Museum (theatre): The Boston Museum (1841–1903), also called the Boston Museum and Gallery of Fine Arts, was a theatre, wax museum, natural history museum, zoo, and art museum in 19th-century Boston, Massachusetts.  Moses Kimball established the enterprise in 1841.

Edmund C. Tarbell: Edmund Charles Tarbell (April 26, 1862 – August 1, 1938) was an American Impressionist painter.  A member of the Ten American Painters, his work hangs in the Boston Museum of Fine Arts, Metropolitan Museum of Art, National Gallery of Art, Smithsonian American Art Museum, Corcoran Gallery of Art, DeYoung Museum, National Academy Museum and School, New Britain Museum of American Art, Worcester Art Museum, and numerous other collections.  He was a leading member of a group of painters which came to be known as the Boston School.

Isabella Stewart Gardner Museum theft: In the early hours of March 18, 1990, guards at the Isabella Stewart Gardner Museum in Boston admitted two men posing as police officers responding to a disturbance call.  Once inside, the men tied up the guards and, over the next hour, stole 13 works of art valued at $500 millionthe largest-value theft of private property in history.  Despite efforts by the Federal Bureau of Investigation (FBI) and multiple probes around the world, no arrests have been made and no works have been recovered.  The museum initially offered a reward of $5 million for information leading to their recovery, but in 2017 this was doubled temporarily to $10 million with an expiration date set to the end of the year.

Museum of Macedonia: Museum of Macedonia (Macedonian: "Музеј на Македонија, Muzej na Makedonija" ) is a national institution in the Republic of Macedonia and one of the oldest museums in the country.  The Museum of Macedonia was created by joining three museum in one.  The three museum that were unified were the archaeological, historical and ethnological museum, of which the archaeological museum was the oldest one; it was opened in 1924 and that date is considered as an establishing date of the national museum.  During the existence of the Socialist Republic of Macedonia, the museum was known as People's Museum of Macedonia.

John Christian Rauschner: John Christian Rauschner (born 1760) was a German artist who specialized in portraits made of wax.  He worked for some time in the United States, travelling to Boston, New York City, Philadelphia and elsewhere.  Examples of Rauschner's artwork are in the Albany Institute of History & Art; American Antiquarian Society; Bostonian Society; Fruitlands Museum; Historic New England; Massachusetts Historical Society; Metropolitan Museum of Art, New York; Museum of Fine Arts, Boston; New York Historical Society; Peabody Essex Museum; Philadelphia Museum of Art; West Point Museum; the White House, Washington DC; and Winterthur Museum.

Supporting paragraphs: Chez Tortoni Isabella Stewart Gardner Museum theft
Answer: March 18, 1990