Question: Eagle Food Centers operated under which name, owned by Lucky Stores?

Context paragraphs:
Chief Auto Parts: Chief Auto Parts was a United States-based auto parts store chain that had stores located in the states of Tennessee, Texas, Nevada, Arizona, Arkansas and California.  Chief was founded in 1955 in Norwalk, California by Vern Johnson and Lorin Tuthill.  The chain grew to 119 stores, mostly in California, by the time it was purchased by Southland in 1979.  It was purchased by Southland Corporation in 1979, along with Citgo and Movie Quik.  The company was based in Dallas, Texas and operated as a division of Southland Corporation until 1990.  The company expanded in 1985 by acquiring locations in Tennessee, Kentucky, and Alabama by purchasing Honey's Auto Parts in Nashville.  At the same time, Chief also acquired 77 Checker Auto Parts locations in Oklahoma and Texas from Lucky Stores when Lucky decided to withdraw Checker from those areas.

Bowlmor Lanes: Bowlmor Lanes is the upscale brand of ten-pin bowling and entertainment centers operated by Bowlmor AMF.  There are currently 18 Bowlmor Lanes centers, nine of which are former AMF 300 centers and three are former AMF Bowling Centers.

Lucky Stores: Lucky Stores is an American supermarket chain founded in San Leandro, California in 1935.  Lucky is currently operated by Save Mart Supermarkets in Northern California.

Eagle Food Centers: Eagle Food Centers was a chain of supermarkets that operated in Iowa, Wisconsin, Indiana, and Illinois for a number of years.  The company was based out of Milan, Illinois, which is near the Quad Cities of Illinois and Iowa.  The company operated stores under many names, including BOGO'S, Eagle Country Market, Eagle Discount Centers, Eagle Discount Supermarkets, Eagle Food Centers, May's Drug and MEMCO.  Eagle also operated stores in Houston known as Eagle Supermarkets until March 1985.  The chain held a 6 percent market share and had 1,100 employees before leaving the area.

El Cerrito, California: El Cerrito is a city in Contra Costa County, California, United States, and forms part of the San Francisco Bay Area.  It has a population of 23,549 according to the 2010 census.  El Cerrito was founded by refugees from the 1906 San Francisco earthquake.  It was incorporated in 1917 as a village with 1500 residents.  As of the census in 2000, there were 23,171 people, 10,208 households and 5971 families in the city.  The top 20 employers in the city, according to the 2013 Comprehensive Annual Financial Report, include such entities as the West Contra Costa Unified School District, City of El Cerrito, Lucky Stores, Pastime ACE Hardware, and Honda of El Cerrito.

WinCo Foods: WinCo Foods, Inc. is a privately held, majority employee-owned American supermarket chain based in Boise, Idaho with retail stores in Arizona, California, Idaho, Nevada, Oklahoma, Oregon, Texas, Utah, and Washington.  It previously operated stores as Waremart Food Centers and Cub Foods (under a franchise agreement) until 1999.  As of August 2017, it has 117 retail stores and five distribution centers with over 15,000 employees.

S. Donley Ritchey: S. Donley Ritchey is managing partner of Alpine Partners, a family investment general partnership in Danville, California, and has served in this capacity since 1981.  Ritchey was Chairman of the Board of Lucky Stores, Inc. from 1981 until his retirement in 1986 as well as Chief Executive Officer from 1980 to 1985.  Ritchey has been a director of AT&T Inc. since April 1997.  He served as a director of Pacific Telesis Group from 1984 until the company was acquired by AT&T Inc. in 1997 until his retirement in 2007.  Ritchey is a director of The McClatchy Company.

Gemco: Gemco was an American chain of membership department stores that was owned by San Leandro-based Lucky Stores, a California supermarket company which eventually became part of Albertsons.  Gemco operated from 1959 until closing in late 1986.  A number of the west coast stores were sold to Target which fueled their entry into California.  Gemco had a version called Memco, also owned by Lucky Stores, that operated stores in the Chicago, Illinois, and Washington, D.C., areas.

Charles Crouch: Charles Crouch, merchandising executive, was born in Augusta, Georgia, Sept. 15, 1898, son of Joseph William and Lily (Strom) Crouch.  In 1932, he purchased six of the former Clarence Saunders stores in the San Francisco peninsula area and founded Peninsula Stores (later Lucky Stores, Inc.), of which he became the first president.  When he retired from the presidency of Lucky Stores in 1947 there were thirty-three stores in the chain with an annual gross of $30,000,000.  At the openings of his various stores Crouch used such devices as simulated carnivals, also hiring popular jazz bands to attract customers.  He engaged Raymond Loewy Associates of New York City to design what was considered to be a new type of supermarket, employing color psychology to attract customers and providing each customer with a lightweight aluminum shopping cart on which was mounted a printed directory to all merchandise in the store.  In 1949 Crouch was named man of the year in the merchandising field by Operations, Inc., a national research and sales organization serving large chain stores, manufacturers, and wholesale grocers.  Charles Crouch was considered to be one of the primary forces behind the development of the modern supermarket.

QFC: Quality Food Centers (QFC) is a supermarket chain based in Bellevue, Washington, with 64 stores in the Puget Sound region of the state of Washington and in the Portland, Oregon, metropolitan area.

Supporting paragraphs: Eagle Food Centers Gemco
Answer: Gemco