Question: Which part of California is Luther Burbank's birthplace in?

full_context: Document 1: Boston: There are several major annual events such as First Night, which occurs on New Year's Eve, the Boston Early Music Festival, the annual Boston Arts Festival at Christopher Columbus Waterfront Park, and Italian summer feasts in the North End honoring Catholic saints. The city is the site of several events during the Fourth of July period. They include the week-long Harborfest festivities and a Boston Pops concert accompanied by fireworks on the banks of the Charles River.
Document 2: 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 3: Luther Burbank Rose Parade and Festival: The Luther Burbank Rose Parade and Festival is an annual festival held in Santa Rosa, California celebrating Luther Burbank and his contribution to the world through a series of events. This festival has undergone changes throughout the years but has always included activities for all ages, and is now held on the third Saturday of May. In 1994 the parade became a tax-exempt corporation, no longer being run by other civic organizations. It has an annual budget of around $100,000.00 to produce the parade and festival. This is achieved through grants, donations and entrance/vendor fees. The parade is now centered on a theme that changes each year, allowing for the incorporation of new activities, displays and floats.
Document 4: Naval Auxiliary Landing Field Santa Rosa: Naval Auxiliary Landing Field (NALF) Santa Rosa, California, also known as Naval Auxiliary Air Station, Santa Rosa, was a military airport located in Santa Rosa, California, in Sonoma County, California, USA.
Document 5: Tucson, Arizona: For the past 25 years, the Tucson Folk Festival has taken place the first Saturday and Sunday of May in downtown Tucson's El Presidio Park. In addition to nationally known headline acts each evening, the Festival highlights over 100 local and regional musicians on five stages is one of the largest free festivals in the country. All stages are within easy walking distance. Organized by the Tucson Kitchen Musicians Association, volunteers make this festival possible. KXCI 91.3-FM, Arizona's only community radio station, is a major partner, broadcasting from the Plaza Stage throughout the weekend. In addition, there are numerous workshops, events for children, sing-alongs, and a popular singer/songwriter contest. Musicians typically play 30-minute sets, supported by professional audio staff volunteers. A variety of food and crafts are available at the festival, as well as local micro-brews. All proceeds from sales go to fund future festivals.
Document 6: Santa Rosa Creek Reservoir: Santa Rosa Creek Reservoir is a reservoir in Spring Lake Regional Park in the city of Santa Rosa, California, USA. It is impounded by an earthen dam built in 1963 and owned by the Sonoma County Water Agency.
Document 7: 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 8: Detroit: Annual summer events include the Electronic Music Festival, International Jazz Festival, the Woodward Dream Cruise, the African World Festival, the country music Hoedown, Noel Night, and Dally in the Alley. Within downtown, Campus Martius Park hosts large events, including the annual Motown Winter Blast. As the world's traditional automotive center, the city hosts the North American International Auto Show. Held since 1924, America's Thanksgiving Parade is one of the nation's largest. River Days, a five-day summer festival on the International Riverfront lead up to the Windsor–Detroit International Freedom Festival fireworks, which draw super sized-crowds ranging from hundreds of thousands to over three million people.
Document 9: National Cherry Blossom Festival: The National Cherry Blossom Festival is a spring celebration in Washington, D.C., commemorating the March 27, 1912, gift of Japanese cherry trees from Mayor Yukio Ozaki of Tokyo City to the city of Washington, D.C. Mayor Ozaki donated the trees to enhance the growing friendship between the United States and Japan and also celebrate the continued close relationship between the two nations. Large and colorful helium balloons, floats, marching bands from across the country, music and showmanship are parts of the Festival's parade and other events.
Document 10: Truth or Consequences, New Mexico: Originally named Hot Springs, the city changed its name to ``Truth or Consequences '', the title of a popular NBC Radio program. In March 1950, Ralph Edwards, the host of the radio quiz show Truth or Consequences, announced that he would air the program on its 10th anniversary from the first town that renamed itself after the show; Hot Springs won the honor, officially changing its name on March 31, 1950 (the program broadcast from there the following evening, April 1). Edwards visited the town during the first weekend of May for the next 50 years. This event was called`` Fiesta'' and included a beauty contest, a parade, and a stage show. The city still celebrates Fiesta each year during the first weekend of May. The parade generally features area celebrities such as the Hatch Chile Queen. Fiesta also features a dance in Ralph Edwards Park.
Document 11: Aloha Festivals: The Aloha Festivals are an annual series of free cultural celebrations observed in the state of Hawaii in the United States. It is the only statewide cultural festival in the nation. Highlights include the presentation of the Royal Court, a ho'olaule'a in Waikiki, and the Floral Parade. Approximately 30,000 people volunteer to plan, organize, and provide labor for the Aloha Festivals each year. Their efforts entertain over 1,000,000 people from throughout the state and visitors from all over the world.
Document 12: Graton, California: Graton is an unincorporated town and census-designated place (CDP) in west Sonoma County, California, United States. The population was 1,707 at the 2010 census. Graton's ZIP code is 95444. The town also has a culinary reputation attributed to two restaurants in the area.
Document 13: Crested Butte Wildflower Festival: The Crested Butte Wild Flower Festival is a week-long event that takes place annually in July in Crested Butte, Colorado, USA. The flower-focused festival includes hikes, tours, workshops and performances, and raises awareness of environmental issues, including the importance of preserving wild flowers in the city. Thousands of artists, vendors and people from all over the world gather in the town of Crested Butte for a weekend of art, food, dancing and music.
Document 14: Santa Rosa, California: Santa Rosa is a city in and the county seat of Sonoma County, California, United States. Its estimated 2014 population was 174,170. 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 15: Rosenberg's Department Store: Rosenberg's Department Store is located at Fourth and D Streets in downtown Santa Rosa, California. The structure is the most significant example of the Streamline Moderne style in Santa Rosa, and was the tallest building in the city for many years.
ground_truth: Sonoma County
sub_queries: Luther Burbank >> place of birth Answer: Santa Rosa
what part of california is Santa Rosa in Answer: Sonoma County