Question: What is the U.S. population ranking of the city where Walter Parks was born, in the country where Castle Island is found?

full_context: Document 1: Miami: The city proper is home to less than one-thirteenth of the population of South Florida. Miami is the 42nd-most populous city in the United States. The Miami metropolitan area, which includes Miami-Dade, Broward and Palm Beach counties, had a combined population of more than 5.5 million people, ranked seventh largest in the United States, and is the largest metropolitan area in the Southeastern United States. As of 2008[update], the United Nations estimates that the Miami Urban Agglomeration is the 44th-largest in the world.
Document 2: Smith Island, Maryland: Smith Island is an island on the Chesapeake Bay, on the border of Maryland and Virginia territorial waters in the United States.
Document 3: Florida: Florida i/ˈflɒrɪdə/ (Spanish for "flowery land") is a state located in the southeastern region of the United States. The state is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia, to the east by the Atlantic Ocean, and to the south by the Straits of Florida and the sovereign state of Cuba. Florida is the 22nd most extensive, the 3rd most populous, and the 8th most densely populated of the United States. Jacksonville is the most populous city in Florida, and the largest city by area in the contiguous United States. The Miami metropolitan area is the eighth-largest metropolitan area in the United States. Tallahassee is the state capital.
Document 4: Saint Helena: There are several rocks and islets off the coast, including: Castle Rock, Speery Island, the Needle, Lower Black Rock, Upper Black Rock (South), Bird Island (Southwest), Black Rock, Thompson's Valley Island, Peaked Island, Egg Island, Lady's Chair, Lighter Rock (West), Long Ledge (Northwest), Shore Island, George Island, Rough Rock Island, Flat Rock (East), the Buoys, Sandy Bay Island, the Chimney, White Bird Island and Frightus Rock (Southeast), all of which are within one kilometre (0.62 miles) of the shore.
Document 5: Castle Island (Washington): Castle Island is an island in the San Juan Islands of Washington state in the United States. It is located just off the southern tip of Lopez Island.
Document 6: Cape Alava: Cape Alava, in Clallam County, Washington, U.S., is the westernmost point in the contiguous 48 states. The westernmost point is located in Olympic National Park and the Makah Indian Reservation.
Document 7: Walter (Muppet): Later in the film, Walter starts to question whether he is man, which he was believed to be his entire life, or actually a Muppet, which was why he always felt a strong connection towards them. This emotion eventually leads him to sing the Academy Award - winning song, ``Man or Muppet '', where the human version of Walter is portrayed by actor Jim Parsons. The scene is pivotal to the character's arc as it resolves Walter's internal issues with himself. The character's solo act of whistling in the telethon's finale was performed by musician Andrew Bird. At the conclusion of the film, Walter deduces that he is a Muppet, adopts whistling as his sole talent and joins the group as their newest member.
Document 8: Rufus Parks: Born in Westfield, Massachusetts, Parks went to Phillips Academy in Andover, Massachusetts. He was in the merchant business, law, and farming. After living in Maine and Massachusetts, he settled in Milwaukee, Wisconsin in 1836. In 1845, he moved to Summit in Waukesha County, Wisconsin. He served in the first Wisconsin Constitutional Convention of 1846. Parks also served in local government and was appointed superintendent of public property in 1858. Parks then served in the Wisconsin State Assembly in 1867. He died in Summit, Wisconsin, in Waukesha County.
Document 9: Jacksonville, Florida: According to the United States Census Bureau, the city has a total area of 874.3 square miles (2,264 km2), making Jacksonville the largest city in land area in the contiguous United States; of this, 86.66% (757.7 sq mi or 1,962 km2) is land and ; 13.34% (116.7 sq mi or 302 km2) is water. Jacksonville surrounds the town of Baldwin. Nassau County lies to the north, Baker County lies to the west, and Clay and St. Johns County lie to the south; the Atlantic Ocean lies to the east, along with the Jacksonville Beaches. The St. Johns River divides the city. The Trout River, a major tributary of the St. Johns River, is located entirely within Jacksonville.
Document 10: Robert Parker (singer): Parker was born in New Orleans, Louisiana, United States, and started his career as a saxophonist, playing with Professor Longhair on his hit "Mardi Gras In New Orleans" in 1949. Over the next decade, he played with most of New Orleans' musicians, including Fats Domino, Irma Thomas, and Huey "Piano" Smith. By 1958, he had started recording solo, having a local hit with the instrumental "All Night Long". In 1965 he signed for Nola Records, and had his biggest hit with "Barefootin’". It sold over one million copies, and was awarded a gold disc by the RIAA. Although he continued to record, he failed to repeat his success in terms of sales, and his recording career effectively ended in the 1970s. However, he continued to perform and tour for many more years, remaining especially popular in the UK.
Document 11: Jacksonville, Florida: Jacksonville is the largest city by population in the U.S. state of Florida, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968. Consolidation gave Jacksonville its great size and placed most of its metropolitan population within the city limits; with an estimated population of 853,382 in 2014, it is the most populous city proper in Florida and the Southeast, and the 12th most populous in the United States. Jacksonville is the principal city in the Jacksonville metropolitan area, with a population of 1,345,596 in 2010.
Document 12: Columbia Island (District of Columbia): Columbia Island is an island located in the Potomac River in Washington, D.C., in the United States. It formed naturally as an extension of Analostan Island in the latter part of the 1800s, and over time erosion and flooding severed it from Analostan. The U.S. federal government deposited material dredged from the Potomac River on the island between 1911 and 1922, and again from 1925 to 1927. The island was also reshaped by the government at this time. It received the name "Columbia Island" about 1918. In 1968, the island was renamed Lady Bird Johnson Park. Located within the park are the Lyndon Baines Johnson Memorial Grove, Navy – Merchant Marine Memorial, and the Columbia Island Marina. The island, park, memorials, and marina are part of the George Washington Memorial Parkway and administered by the National Park Service.
Document 13: Jacksonville, Florida: Jacksonville is the most populous city in Florida, and the twelfth most populous city in the United States. As of 2010[update], there were 821,784 people and 366,273 households in the city. Jacksonville has the country's tenth-largest Arab population, with a total population of 5,751 according to the 2000 United States Census. Jacksonville has Florida's largest Filipino American community, with 25,033 in the metropolitan area as of the 2010 Census. Much of Jacksonville's Filipino community served in or has ties to the United States Navy.
Document 14: Walter Parks: Walter Parks is a songwriter, vocalist, guitarist and bassist originally from Jacksonville, FL now living in Jersey City, New Jersey. Walter Parks founded several musical groups, Wingtips, The Nudes, Swamp Cabbage and also toured as a sideman for Richie Havens.
Document 15: Wally Warning: Ewald "Wally" Warning (born in Aruba, Netherlands Antilles) is a roots, reggae, ragga, gospel and Latin singer living in Munich, Germany. He is the son of Surinamese parents. At the age of 17 he moved from Aruba to the Netherlands, where he had a hit single with "The World Needs Love" in the early 1980s and around 1990 to Germany. He put his singing career on hold while he played bass guitar in touring bands with Sam & Dave and Lightnin' Hopkins, but restarted his solo career in the 2000s. He reached a broad audience when he produced and sang the radio summer hit "No Monkey". The song reached the top thirty in both Austria and Germany.
ground_truth: 12th
sub_queries: What is the birthplace of Walter Parks? Answer: Jacksonville
Castle Island >> country Answer: the United States
Based on population alone, what is Jacksonville 's ranking in #2 ? Answer: 12th