Question: Who is the city where Merla Zellerbach was born named after?

full_context: Document 1: Caryl M. Stern: Caryl M. Stern (born October 30, 1957) is an American author, child advocate, civil and human rights activist, and non-profit executive.
Document 2: Evelyn Einstein: Einstein was born in Chicago; after her birth she was adopted by Hans Albert Einstein. Towards the end of her life, she recounted that as a child she was told she was an illegitimate daughter of Albert Einstein and a ballet dancer; however, she had no documentation supporting this claim. She obtained a Master's degree in Medieval literature at University of California, Berkeley. She was married to Grover Krantz for 13 years from 1964 to about 1977. She then worked briefly as an animal control officer, as a cult deprogrammer, and as a Berkeley, California, reserve police officer.
Document 3: San Francisco: San Francisco is located on the West Coast of the United States at the north end of the San Francisco Peninsula and includes significant stretches of the Pacific Ocean and San Francisco Bay within its boundaries. Several picturesque islands—Alcatraz, Treasure Island and the adjacent Yerba Buena Island, and small portions of Alameda Island, Red Rock Island, and Angel Island—are part of the city. Also included are the uninhabited Farallon Islands, offshore in the Pacific Ocean. The mainland within the city limits roughly forms a "seven-by-seven-mile square", a common local colloquialism referring to the city's shape, though its total area, including water, is nearly .
Document 4: Sacramento, California: Sacramento (/ ˌsækrəˈmɛntoʊ / SAK - rə - MEN - toh; Spanish: (sakɾaˈmento)) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento River and the American River in Northern California's Sacramento Valley, Sacramento's estimated 2018 population of 501,334 makes it the sixth - largest city in California and the 9th largest capital in the United States. Sacramento is the seat of the California Assembly, the Governor of California, and Supreme Court of California, making it the state's political center and a hub for lobbying and think tanks. Sacramento is also the cultural and economic core of the Sacramento metropolitan area, which had 2010 population of 2,414,783, making it the fifth largest in California.
Document 5: San Francisco Bay Area: Home to approximately 7.68 million people, Northern California's nine - county Bay Area contains many cities, towns, airports, and associated regional, state, and national parks, connected by a complex multimodal transportation network. The larger combined statistical area of the region, which includes twelve counties, is the second - largest in California (after the Greater Los Angeles area), the fifth - largest in the United States, and the 41st - largest urban area in the world with 8.75 million people. The Bay Area's population is ethnically diverse: for example, roughly half of the region's residents are Hispanic, Asian, African American, or Pacific Islander, all of whom have a significant presence throughout the region.
Document 6: San Francisco: San Francisco (initials SF) (/ ˌsæn frənˈsɪskoʊ /, Spanish for Saint Francis; Spanish: (san franˈsisko)), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California. The consolidated city - county covers an area of about 47.9 square miles (124 km), mostly at the north end of the San Francisco Peninsula in the San Francisco Bay Area. It is the fourth-most populous city in California, and the 13th-most populous in the United States, with a 2016 census - estimated population of 870,887. The population is projected to reach 1 million by 2033. As of 2016, San Francisco County was the 7th highest - income county in the United States, with a per capita personal income of $110,418.
Document 7: Barbara Epstein: Epstein, née Zimmerman, was born in Boston, Massachusetts, to a Jewish family, and graduated from Radcliffe College in 1949. In 1953, she and editor Jason Epstein began a marriage that lasted 37 years.
Document 8: Santa Rosa, California: Santa Rosa (lit. Spanish for ``Saint Rose '') is a city in and the county seat of Sonoma County, in California's Wine Country. Its estimated 2016 population was 175,155. Santa Rosa is the largest city in California's Redwood Empire, Wine Country and the North Bay; the fifth most populous city in the San Francisco Bay Area after San Jose, San Francisco, Oakland, and Fremont; and the 28th most populous city in California.
Document 9: Renana Jhabvala: Renana Jhabvala was born in Delhi to the Booker Prize winning novelist and screen-writer, Ruth Prawer Jhabvala, and well-known architect Cyrus S. H. Jhabvala. Her grandparents were active in public life during the early to mid part of the twentieth century. Her grandfather, Shavaksha Jhabvala, was active in the early Indian trade union movement, and her grandmother, Mehraben Jhabvala, in the emerging women's movement. In a February 2012 talk given at the India International Centre (Delhi), Renana spoke about the work of Mehraben, who was a dedicated organiser and advocate of women and the President of the All-India Women's Conference from 1965–68.
Document 10: Susan Leal: Susan Leal is an American water utility consultant, the co-author of the book "Running out of Water". Formerly, she was the General Manager of SFPUC, San Francisco Treasurer and a San Francisco Supervisor. She lives in San Francisco, CA.
Document 11: Sacramento, California: Sacramento (/ ˌsækrəˈmɛntoʊ / SAK - rə - MEN - toh, locally also / ˌsækrəˈmɛnoʊ / SAK - rə - MEN - oh; Spanish: (sakɾaˈmento)) is the capital city of the U.S. state of California and the seat of Sacramento County. It is at the confluence of the Sacramento River and the American River in the northern portion of California's expansive Central Valley, known as the Sacramento Valley. Its estimated 2016 population of 493,025 makes it the sixth - largest city in California, the fastest - growing big city in the state, and the 35th largest city in the United States. Sacramento is the cultural and economic core of the Sacramento metropolitan area, which includes seven counties with a 2010 population of 2,414,783. Its metropolitan area is the fourth largest in California after the Greater Los Angeles area, the San Francisco Bay Area, and the San Diego metropolitan area, and is the 27th largest in the United States. In 2002, the Civil Rights Project at Harvard University conducted for Time magazine named Sacramento ``America's Most Diverse City ''.
Document 12: San Francisco, San Pablo: Barangay San Francisco (commonly known as Calihan) is one of the 80 barangays of San Pablo City, Philippines. It is located south of the city proper and is bounded by Barangay Santo Cristo on the north, Barangay San Gregorio and Barangay San Ignacio on the south, Barangay Soledad on the west, and Barangay San Jose on the east. It is the most populous barangay in the city according to 2010 census.
Document 13: Merla Zellerbach: Merla Zellerbach, née Myrle Carmel Burstein, was born in San Francisco in 1930, the daughter of Rabbi Elliot M. and Lottie Burstein. While attending Stanford University, she met and soon thereafter married Stephen Zellerbach. They had one child, son Gary. Her literary, civic and philanthropic work began at the time of her first marriage. By the time of her death on December 26, 2014, she authored 13 well reviewed novels and five self-help medical books, was a panelist for six years on the ABC TV show Oh My Word, and a columnist for the "San Francisco Chronicle". Subsequently, she was Editor of the "Nob Hill Gazette" for twelve years. Charities she supported and/or worked for included Compassion and Choices, the Coalition on Homelessness San Francisco, the Kidney Foundation, and a dozen more.
Document 14: San Francisco: San Francisco was founded on June 29, 1776, when colonists from Spain established Presidio of San Francisco at the Golden Gate and Mission San Francisco de Asís a few miles away, all named for St. Francis of Assisi. The California Gold Rush of 1849 brought rapid growth, making it the largest city on the West Coast at the time. San Francisco became a consolidated city - county in 1856. After three - quarters of the city was destroyed by the 1906 earthquake and fire, San Francisco was quickly rebuilt, hosting the Panama - Pacific International Exposition nine years later. In World War II, San Francisco was a major port of embarkation for service members shipping out to the Pacific Theater. It then became the birthplace of the United Nations in 1945. After the war, the confluence of returning servicemen, massive immigration, liberalizing attitudes, along with the rise of the ``hippie ''counterculture, the Sexual Revolution, the Peace Movement growing from opposition to United States involvement in the Vietnam War, and other factors led to the Summer of Love and the gay rights movement, cementing San Francisco as a center of liberal activism in the United States. Politically, the city votes strongly along liberal Democratic Party lines.
Document 15: Loretta Schwartz-Nobel: For the next seven years, Schwartz-Nobel traveled the nation, doing similar research in several other cities, including Boston, Washington, and Chicago, and writing articles for local newspapers and magazines in each city. In 1981, she combined her experiences to form her first novel, "Starving in the Shadow of Plenty", in which she outlined the alarmingly destitute living conditions of America's poor families, focusing especially on the difficulty of obtaining food and the ineffectuality of government welfare programs. Her book, as well as a number of economic factors, contributed to a distinct period of awareness of domestic poverty in the United States. The U.S. Department of Agriculture, for example, concluded that "Hunger is increasing at a frenetic pace and the emergency of food available for distribution is quickly depleted."
ground_truth: Saint Francis
sub_queries: What is the place of birth of Merla Zellerbach? Answer: San Francisco
who is the city of San Francisco named after Answer: Saint Francis