Question: How many square miles is the urban area of the city where Earthy's performer was born?

full_context: Document 1: Both Feet on the Ground: Both Feet on the Ground is an album by guitarist Kenny Burrell recorded in 1973 and released on the Fantasy Records label.
Document 2: Detroit: Detroit is the center of a three-county urban area (population 3,734,090, area of 1,337 square miles (3,460 km2), a 2010 United States Census) six-county metropolitan statistical area (2010 Census population of 4,296,250, area of 3,913 square miles [10,130 km2]), and a nine-county Combined Statistical Area (2010 Census population of 5,218,852, area of 5,814 square miles [15,060 km2]). The Detroit–Windsor area, a commercial link straddling the Canada–U.S. border, has a total population of about 5,700,000. The Detroit metropolitan region holds roughly one-half of Michigan's population.
Document 3: List of municipalities in Michigan: Michigan is a state located in the Midwestern United States. According to the 2010 United States Census, Michigan is the 8th most populous state with 7006988412900000000 ♠ 9,884,129 inhabitants but the 22nd largest by land area spanning 56,538.90 square miles (146,435.1 km) of land. Michigan is divided into 83 counties and contains 533 incorporated municipalities consisting of cities and villages. Specifically, Michigan has 276 cities, 257 villages, and 1,240 townships.
Document 4: Joe Gordon (musician): His first professional gigs were in Boston in 1947; he played with Georgie Auld, Charlie Mariano, Lionel Hampton, Charlie Parker (1953–55 intermittently), Art Blakey (1954), and Don Redman.
Document 5: Eddie Locke: Eddie Locke was a part of the fertile and vibrant Detroit jazz scene during the 1940s and 1950s, which brought forth many great musicians including the Jones brothers (Hank, Thad, and Elvin), Kenny Burrell, Lucky Thompson, Tommy Flanagan, Barry Harris, and so many others. He eventually formed a variety act with drummer Oliver Jackson called Bop & Locke which played the Apollo Theater. He moved to New York City in 1954, and worked there with Dick Wellstood, Tony Parenti, Red Allen, Willie "The Lion" Smith, and Teddy Wilson amongst others. During this time he came under the tutelage of the great Jo Jones, and eventually became known as a driving and swinging drummer who kept solid time and supported the soloist. During the late 1950s he formed two of his most fruitful musical relationships, one with Roy Eldridge, and the other with Coleman Hawkins. His recording debut came with Eldridge in 1959 on "On The Town". He later became a member of the Coleman Hawkins Quartet in the 1960s along with pianist Tommy Flanagan and bassist Major Holley. That group made many fine records including the exquisite album "Today and Now", in 1963. Throughout the 1970s, he played with Roy Eldridge at Jimmy Ryan's in Manhattan, and wound out his career freelancing, as well as teaching youngsters at the Trevor Day School on Manhattan's upper west side.
Document 6: Earl Van Dyke: Van Dyke, who was born in Detroit, Michigan, United States, was preceded as keyboardist and bandleader of the Funk Brothers by Joe Hunter. In the early 1960s, he also recorded as a jazz organist with saxophonists Fred Jackson and Ike Quebec for the Blue Note label.
Document 7: K. B. Blues: K. B. Blues is an album by guitarist Kenny Burrell recorded in 1957 and originally released on the Japanese Blue Note label in 1979. The tracks were reissued on CD as part of "" but incorrectly identified as being recorded in 1956.
Document 8: Night Song (Kenny Burrell album): Night Song is an album by guitarist Kenny Burrell recorded in 1968 and 1969 and released on the Verve Records label.
Document 9: Detroit: Long a major population center and site of worldwide automobile manufacturing, Detroit has suffered a long economic decline produced by numerous factors. Like many industrial American cities, Detroit reached its population peak in the 1950 census. The peak population was 1.8 million people. Following suburbanization, industrial restructuring, and loss of jobs (as described above), by the 2010 census, the city had less than 40 percent of that number, with just over 700,000 residents. The city has declined in population in each census since 1950.
Document 10: Earthy (Kenny Burrell album): Earthy is an album by the Prestige All Stars nominally led by guitarist Kenny Burrell recorded in 1957 and released on the Prestige label.
Document 11: Detroit: A desire to be closer to the urban scene has also attracted some young professionals to reside in inner ring suburbs such as Grosse Pointe and Royal Oak, Detroit. Detroit's proximity to Windsor, Ontario, provides for views and nightlife, along with Ontario's minimum drinking age of 19. A 2011 study by Walk Score recognized Detroit for its above average walkability among large U.S. cities. About two-thirds of suburban residents occasionally dine and attend cultural events or take in professional games in the city of Detroit.
Document 12: Bluesy Burrell: Bluesy Burrell (also released as Out of This World) is an album by guitarist Kenny Burrell with saxophonist Coleman Hawkins recorded in 1962 and originally released on the Moodsville label.
Document 13: Detroit: In the 1940s, Detroit blues artist John Lee Hooker became a long-term resident in the city's southwest Delray neighborhood. Hooker, among other important blues musicians migrated from his home in Mississippi bringing the Delta blues to northern cities like Detroit. Hooker recorded for Fortune Records, the biggest pre-Motown blues/soul label. During the 1950s, the city became a center for jazz, with stars performing in the Black Bottom neighborhood. Prominent emerging Jazz musicians of the 1960s included: trumpet player Donald Byrd who attended Cass Tech and performed with Art Blakey and the Jazz Messengers early in his career and Saxophonist Pepper Adams who enjoyed a solo career and accompanied Byrd on several albums. The Graystone International Jazz Museum documents jazz in Detroit.
Document 14: Nick Fatool: Fatool first played professionally in Providence, Rhode Island, which he followed with time in Joe Haymes's band in 1937 and Don Beston's in Dallas soon after. In 1939 he played with Bobby Hackett briefly, and then became a member of the Benny Goodman Orchestra. He became one of the most visible drummers of the 1940s, playing with Artie Shaw (1940–41), Alvino Rey (1942–43), Claude Thornhill, Les Brown, and Jan Savitt. In 1943 he moved to Los Angeles and took work as a session musician, recording profusely. Credits include Harry James, Erroll Garner (1946), Louis Armstrong (1949, 1951), Jess Stacy, Tommy Dorsey, Matty Matlock, John Scott Trotter and Glen Gray. He began an association with Bob Crosby, playing with him regularly between 1949 and 1951 and occasionally with Crosby's Bobcats into the 1970s.
Document 15: Detroit: Detroit (/dᵻˈtrɔɪt/) is the most populous city in the U.S. state of Michigan, the fourth-largest city in the Midwest and the largest city on the United States–Canada border. It is the seat of Wayne County, the most populous county in the state. Detroit's metropolitan area, known as Metro Detroit, is home to 5.3 million people, making it the fourteenth-most populous metropolitan area in the United States and the second-largest in the Midwestern United States (behind Chicago). It is a major port on the Detroit River, a strait that connects the Great Lakes system to the Saint Lawrence Seaway. The City of Detroit anchors the second-largest economic region in the Midwest, behind Chicago, and the thirteenth-largest in the United States.
ground_truth: 1,337 square miles
sub_queries: Earthy >> performer Answer: Kenny Burrell
Kenny Burrell >> place of birth Answer: Detroit
How many square miles is is Detroit 's urban area? Answer: 1,337 square miles