Question:  Riversdale Road is a major east-west thoroughfare in Melbourne, Australia running between Box Hill South and another suburb that had how many inhabitants in 2011 ?

Context paragraphs:
Church Hill: Church Hill, also known as the St. John's Church Historic District, is an Old and Historic District in Richmond, Virginia.  This district encompasses the original land plat of the city of Richmond.  Church Hill is the eastern terminus of Broad Street, a major east-west thoroughfare in the Richmond metropolitan area.  The name "Church Hill" is often used to describe both the specific historic district and the larger general area in the East End encompassing other neighborhoods such as Union Hill, Chimborazo, Fairmount, Peter Paul, Woodville, etc.

Yan'an Road: Yan'an Road (; : Yi'ue Lu) is a road in Shanghai, China, a major east-west thoroughfare through the centre of the city.  The modern Yan'an Road is in three sections, reflecting three connected streets which existed pre-1945: Avenue Edward VII, Avenue Foch and the Great Western Road.  The streets were joined together under a common name by the Republic of China government in 1945, then renamed in the early 1950s after the Communist Party of China took over Shanghai.  The road is named after Yan'an, the Communist base during the Chinese Civil War.

Bonny Serrano Avenue: Colonel Bonny Serrano Avenue, commonly known simply as Bonny Serrano Avenue (also spelled "Boni Serrano Avenue"), is a major east-west thoroughfare in the Eastern Manila District of Metro Manila, Philippines, running between San Juan City and Quezon City.  It forms the northern limit of San Juan and the southern limit of Quezon City's New Manila and Cubao districts and links the Philippine National Police headquarters in Camp Crame with the Armed Forces of the Philippines headquarters in Camp Aguinaldo.  The avenue, formerly called (and still known locally as) Santolan Road, runs from the border between Greenhills, San Juan and Horseshoe Village, Quezon City in the west to the villages of Libis and Blue Ridge by Quezon City's border with Marikina in the east.  It was named after the decorated Korean War hero, Venancio "Bonny" Serrano.

Hawthorn, Victoria: Hawthorn is an inner suburb of Melbourne, Australia, 6 km east of Melbourne's central business district.  Its local government area is the City of Boroondara.  At the 2011 Census, Hawthorn had a population of 21,177.

Maroondah Highway: Maroondah Highway (also known as Whitehorse Road from Balwyn to Croydon), is a major east-west thoroughfare in the eastern suburbs of Melbourne and a highway servicing the lower alpine region Victoria, Australia.

Kanfei Nesharim Street: Kanfei Nesharim Street (Hebrew: רחוב כנפי נשרים‎ ‎ , literally, "Wings of Eagles Street") is a major east-west thoroughfare in the Givat Shaul neighborhood of western Jerusalem.  Unlike most Jerusalem streets, Kanfei Nesharim is a wide thoroughfare with two traffic lanes in each direction, separated by a median, and spans 3 km in a straight line.  It connects the neighborhood of Kiryat Moshe on the east to Har Nof on the west, and includes the modern commercial strip of office buildings, stores and restaurants in what is termed Givat Shaul Bet.

Kingswood College (Box Hill): Kingswood College is coeducational K-12 college operating under the auspices of the Uniting Church in Australia, located in the eastern Melbourne suburb of Box Hill South, Victoria, Australia.  It began as New College in 1890, and was known as Box Hill Grammar from 1928 to 1965.

Riversdale Road, Melbourne: Riversdale Road is a major east-west thoroughfare in Melbourne, Australia.  It runs from Hawthorn to Box Hill South, and includes the many small shopping areas along it, located in Richmond, Hawthorn, Hawthorn East, Camberwell and Surrey Hills.  Beyond Hawthorn, the road was originally called Molony’s Road.

Box Hill South, Victoria: Box Hill South is a suburb of Melbourne, Victoria, Australia, 14 km east of Melbourne's Central Business District.  Its local government area is the City of Whitehorse.  At the 2011 Census, Box Hill South had a population of 7,699.

Box Hill United SC: Box Hill United Soccer Club is an Australian semi-professional association football (soccer) club based in the Melbourne suburb of Box Hill.  The club currently competes in the National Premier Leagues Victoria 2.  United is based at Wembley Park in Box Hill South.

Supporting paragraphs: Riversdale Road, Melbourne Hawthorn, Victoria
Answer: 21,177