Question: What road is the 2000-12000 seat venue on that is located in a suburb of South Australia's capital city?

Context paragraphs:
North-South Motorway: The North-South Motorway (previously known as the South Road Superway) is an elevated motorway in the northern suburbs of the South Australian capital city of Adelaide.  It has been constructed over a 4 km section of South Road as part of a long term plan to upgrade this road into a non-stop north-south route.  At a cost of A$812 million, the motorway is the biggest single investment in a road project in South Australia’s history.  The North-South Motorway is stage two of the North–South Corridor upgrade and delivers a 4.8 kilometre section of freeway grade road, including a 2.8 kilometre elevated roadway, from the Port River Expressway to Regency Road.  Along the way, it passes over the Dry Creek-Port Adelaide railway line, Cormack Road, Grand Junction Road and Days Road, with exits at Grand Junction Road and Days Road.

King Center for the Performing Arts: The King Center or the Maxwell C. King Center for the Performing Arts is a performing arts venue located at 3865 North Wickham Road, Melbourne, Florida.  The main theater of the 126000 ft2 facility contains 2,016 seats.  Also at the facility is a smaller 250 seat venue named the Studio Theatre or the Black Box.

City National Civic: The City National Civic (formerly known as the San Jose Civic Auditorium) is a sports arena and concert venue located in downtown San Jose, California.  The 2,850-seat venue is owned by the City of San Jose, is managed by Team San Jose and is booked by Nederlander Concerts.  The name was changed in December 2013, as part of a development deal with City National Bank.

Adelaide Entertainment Centre: Adelaide Entertainment Centre (AEC) is an indoor arena located in the South Australian capital of Adelaide, and is used for sporting and entertainment events.  It is the principal venue for concerts, events and attractions for audiences between 2,000 and 12,000.  It is located on Port Road in the suburb of Hindmarsh, just north of the Adelaide city centre.  With modern architecture and acoustics, function rooms and award-winning catering, the Adelaide Entertainment Centre provides a live entertainment venue for hundreds of thousands of people each year.  In 2010 the Adelaide Entertainment Centre completed a $52m redevelopment with a new entry and Theatre complex.

Orpheum Theatre (Memphis): The Orpheum Theatre, a 2,308-seat venue listed on the National Register of Historic Places, is located in downtown Memphis, Tennessee, on the southwest corner of the intersection of South Main and Beale streets.  The Orpheum, along with the Halloran Centre for Performing Arts & Education, compose the Orpheum Theatre Group, a community-supported nonprofit corporation that operates and maintains the venues and presents education programs.

Geology of South Australia: South Australia is an Australian state, situated in the southern central part of the country, and featuring some low-lying mountain ranges, the most significant being the Mount Lofty Ranges, which extend into the state's capital city, Adelaide, which comprises most of the state's population.  Adelaide is situated on the eastern shores of Gulf St Vincent, on the Adelaide Plains, north of the Fleurieu Peninsula, between Gulf St Vincent and the low-lying Mount Lofty Ranges.  The state of South Australia, which stretches along the coast of the continent and has boundaries with every other state in Australia, with the exception of the Australian Capital Territory and Tasmania.  The Western Australia border has a history with South Australia, involving the South Australian Government Astronomer, Dodwell and the Western Australian Government Astronomer, Curlewis in the 1920s to mark the border on the ground.

Newcastle Civic Theatre: The Newcastle Civic Theatre, also known as The Civic, is a heritage-listed building located on Hunter Street, Newcastle in the Hunter region, in New South Wales, Australia.  Opened in 1929 as a cinema, the 1520-seat venue is now the venue for a wide range of musicals, plays, concerts and dance events each year and is the city's oldest surviving theatre.

St Clair, South Australia: St Clair, South Australia is a suburb of Adelaide in the City of Charles Sturt.  St Clair is geographically located with in the Hundred of Yatala, and was first recorded as the name for the suburb on the 6th November 2012 by the Surveyor General of South Australia.  The suburb is bounded by Cheltenham Parade, Torrens Road, Woodville Road and the Outer Harbor train line.  The Cheltenham Park Racecourse was located here up until the late 2000s and new houses were built in the years after that.

Marquis Theatre: The Marquis Theatre is a Broadway theatre located at 1535 Broadway (between 45th and 46th streets) in midtown-Manhattan.  Situated on the third floor of the Marriott Marquis Hotel, the 1611-seat venue was designed by developer/architect John C. Portman, Jr.  Because construction of the hotel involved the demolition of five theaters – the original Helen Hayes, the Morosco, the Bijou, and remnants of the Astor and the Gaiety – New York City officials permitted Portman to construct the new property only if he agreed to include a theater within the structure.  It presently is one of nine operated by the Nederlander Organization.

Music of Adelaide: Adelaide is the capital city of South Australia.  Its musical heritage includes the well-known Adelaide Festival of Arts, Barossa Music Festival and the world music festival WOMADelaide, which is held annually in Botanic Park.  Major music venues include the Adelaide Entertainment Centre and the Thebarton Theatre.  The Adelaide Symphony Orchestra was founded in 1937, with William Cade as conductor.  Other music institutions in Adelaide include the Elder Conservatorium at the University of Adelaide.

Supporting paragraphs: Music of Adelaide Adelaide Entertainment Centre
Answer: Port Road