Question: the original, Australia-only Astra of 1984 was a derivative of a locally produced car that was produced between what years ?
Context: The Bozo Show is a locally produced children's television program that aired on WGN-TV in Chicago and nationally on what is now WGN America.  It was based on the children's record book series, "Bozo the Clown" by Capital Records.  The series is a local version of the internationally franchised "Bozo the Clown" format and is also the longest-running in the franchise.  Recognized as the most popular and successful locally produced children's program in the history of television, it only aired under this title for 14 of its 40+ years: other titles were Bozo, Bozo's Circus, and The Bozo Super Sunday Show. OCR FM is a non-profit community radio station based in Colac, Victoria, Australia.  OCR is a volunteer organisation with no employed staff, broadcasting 24 hours a day, seven days a week, with locally produced programming supplemented by locally produced announcements and music. The Audi Type K was a car introduced by Audi at the Berlin Motor Show in September 1921.  Since the end of the war Audi had till now produced only cars of pre-war design, so that the Type K was the first post-war Audi design to be offered.  The Type K entered production in 1922 and was withdrawn in 1925, by which time the company had commenced production, in 1924, their Type M model which can be seen as a larger replacement for the Type K.  The Audi Type K was the first volume produced car in Germany to feature left-hand drive. The Holden Astra is a compact car marketed by Holden in Australia.  Spanning six generations, the original, Australia-only Astra of 1984 was a derivative of the locally produced Nissan Pulsar, as was the 1987 Astra.  It was succeeded by the Holden Nova in 1989—another unique-to-Australia model line.  From 1995, the Holden Astra name was used in New Zealand, for a badge engineered version of the Opel Astra, which had been sold locally as an Opel since 1993.  The following year, Holden discontinued the Nova line in Australia in favour of the Opel-based Holden Astra.  On 1 May 2014, Holden announced to import the Opel Astra J GTC and Opel Astra J OPC with Holden badges to Australia and New Zealand. Nigerian WebRadio is an internet radio station broadcasting from Houston, Texas, USA.  It started broadcasting on February 1, 2007, with a mix of Nigerian music and locally produced talkshows and drama.  Nigerian WebRadio claims that between 10–20 hours of its weekly broadcast are locally produced.  Its broadcast is targeted at the African/Nigerian Diaspora. The Nissan Pulsar is a subcompact and compact car produced by the Japanese automaker Nissan from 1978 until 2000, when it was replaced by the Nissan Bluebird Sylphy in the Japanese market.  Between 2000 and 2005, and then since 2012, the name "Pulsar" has been used in Australia and select Asian countries on rebadged versions of the Sylphy and similar Tiida model.  In 2014, a European-only replacement for the Tiida was introduced using the Pulsar nameplate. The Animation Council of the Philippines, Inc. (ACPI) is a non-profit and non-stock organization in the Philippines that specializes in 2D and 3D animation.  As an organization that is recognized and supported by the Government of the Philippines, and as a business engaged in information and communications technology, the goal of the ACPI is to promote the animation industry locally and globally.  It aims to create an identity for the Philippines within the animation industry.  It has the intention of making the Philippines as one of the preferred countries that provides animation services.  It expresses high regard for locally produced animation with original content.  It aims to reinvent and present the Philippines as a "center of excellence for animation and content creation services" not only to the Asian clientele but also to countries such as the United States, the United Kingdom, France, and Japan. Since first coming to wide notice in the late 1990s, the "Harry Potter" book series by J. K. Rowling has engendered a number of legal disputes.  Rowling, her various publishers and Time Warner, the owner of the rights to the "Harry Potter" films, have taken numerous legal actions to protect their copyrights, and also have fielded accusations of copyright theft themselves.  The worldwide popularity of the "Harry Potter" series has led to the appearance of a number of locally produced, unauthorised sequels and other derivative works, sparking efforts to ban or contain them.  While these legal proceedings have countered a number of cases of outright piracy, other attempts have targeted not-for-profit endeavours and have been criticised. The Lamborghini Huracán (Spanish for "hurricane"; ] ) is a sports car built by Lamborghini, replacing Lamborghini's sales leader and most produced car, the Gallardo.  The Huracán made its auto show debut at the March 2014 Geneva Auto Show, and was released in the second quarter of 2014.  The name of the Huracan LP 610-4 comes from the fact that this car has 610 metric horsepower and 4 wheel drive.  The Huracán was named "The Supercar of the Year 2014" by car magazine "Top Gear". UNO 001 was the name of the only produced car from the planned UNO project to create a sports car made in Linköping, Sweden.  The project started in the late 1980s with a budget of 3 million SEK and the backing of several strong financial backers.  They managed to produce the UNO 001, but then something went wrong.  In the 2000s it was for sale for 30000 SEK and it as of 2009 undergoing restoration.
Answer: 1978 until 2000