Question: Kew Cottages is located in the eastern suburb of Melbourne how far away from the Central Business District?

full_context: Document 1: Port Melbourne, Victoria: Port Melbourne is an inner suburb of Melbourne, Australia, 5 km south-west from Melbourne's Central Business District. It is split between the local government areas of Melbourne and Port Phillip. The area to the north of the West Gate Freeway is in the City of Melbourne. The area to the south is in the City of Port Phillip. At the 2011 Census, Port Melbourne had a population of 14,521.
Document 2: Richmond, Victoria: Richmond is an inner suburb of Melbourne, Australia, 3 km south-east of Melbourne's Central Business District in the local government area of the City of Yarra municipality. The 2011 Census listed Richmond's population as 26,121.
Document 3: Kew East, Victoria: Kew East is a suburb of Melbourne, Victoria, Australia, 8 km east from Melbourne's Central Business District. Its local government area is the City of Boroondara. At the 2011 Census, Kew East had a population of 6,017.
Document 4: St Kilda, Victoria: St Kilda is an inner suburb (neighbourhood) of the metropolitan area of Melbourne, Victoria, Australia, 6 km south-east of Melbourne's Central Business District. Its local government area is the City of Port Phillip. At the 2011 Census, St Kilda had a population of 17,795.
Document 5: South Melbourne, Victoria: South Melbourne is an inner suburb of Melbourne, Australia, 2 km south of Melbourne's Central Business District (CBD). It is in the local government area of the City of Port Phillip. At the 2011 Census, South Melbourne had a population of 9,317.
Document 6: Kew railway line: The Kew railway line was a former railway line in Melbourne, Australia. The line ran from Hawthorn to Kew. It was opened on 19 December 1887 and was officially closed on 13 May 1957. The last train ran on 18 August 1952 after years of decline.
Document 7: Kew, Gauteng: Kew is a suburb of Johannesburg, South Africa. It is located in Region E.
Document 8: Elwood, Victoria: Elwood is an inner suburb of Melbourne, Victoria, Australia, 8 km south of Melbourne's Central Business District. Its local government area is the City of Port Phillip. At the 2011 Census, Elwood had a population of 14,638.
Document 9: Fairfield Infectious Diseases Hospital: Fairfield Infectious Diseases Hospital, originally known as Queens Memorial Infectious Diseases Hospital, operated from 1904 to its closure in 1996. Perched high on the banks of the Yarra River at Yarra Bend in the inner Melbourne suburb of Fairfield, it developed an international reputation for the research and treatment of infectious diseases. When it closed, it was the last specific infectious diseases hospital in Australia.
Document 10: Kew Cottages: Kew Cottages aka Kew Idiot Asylum, Kew Idiot Ward, Kew Children's Cottages and finally as Kew Residential Services is a decommissioned special development school and residential service located in Kew, an eastern suburb of Melbourne, Victoria, Australia.
Document 11: Cremorne, Victoria: Cremorne is a small inner suburb of Melbourne, 2 km south-east of the CBD. Its local government area is the City of Yarra and at the 2011 Census it had a population of 1,564. It is bounded by the Yarra River, Punt Road, Swan and Church Streets, and divided down the middle by the railway to South Yarra. Covering only about a square kilometre, until 1999 Cremorne existed only as a locality in the larger suburb of Richmond. Cremorne's charm is in its rather chaotic mix of uses and the unique character resulting from being 'walled in' by main roads and railways on all sides. There are industrial icons such as "Bryant and May", "Rosella" and the Nylex Clock, side by side with Victorian cottages, modern townhouses, offices and light industries.
Document 12: Monash University, Caulfield campus: Monash University, Caulfield campus is a campus of Monash University located in Caulfield, which is a suburb of Melbourne, Australia, in the state of Victoria. The campus comprises 13,400 students of which 52.8% are female and 57.1% of students are enrolled in undergraduate courses. Before its incorporation into Monash University, the campus was known as Chisholm Institute of Technology, which was created from the union of Caulfield Institute of Technology and the State College of Victoria at Frankston (now Chisholm Institute)."
Document 13: Royal Park Hospital: Royal Park Psychiatric Hospital, commonly known as Royal Park is a former Receiving House and Psychiatric Hospital located in Parkville. Operating for over 90 years, Royal Park Hospital was the first psychiatric hospital established in Victoria after the Lunacy Act of 1903, and was intended for patients with curable disorders. Built on the north-western edge of the 181 hectare parklands known as Royal Park, Royal Park Hospital along with Royal Melbourne Hospital, Royal Children's Hospital and Mount Royal formed the Parkville Hospital Precinct. Following the hospital's closure in the 1990s, several of the hospital's original buildings have been listed on the Victorian Heritage Register for their historic and architectural values.
Document 14: Kew, Victoria: Kew is an inner suburb of Melbourne, Australia, 6 km east from Melbourne's Central Business District. Its local government area is the City of Boroondara. At the 2011 Census, Kew had a population of 23,876.
Document 15: Garden City, Victoria: Garden City is a residential area of Melbourne located in the municipality of Port Phillip 5 km south-west of the Melbourne CBD and immediately west of Port Melbourne. It was created as a planned residential development initially by the State Bank of Victoria and subsequently developed by the Housing Commission of Victoria between 1926 and 1940.
ground_truth: 6 km east