Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
CSL, one of the world's top five biotech companies, and Sigma Pharmaceuticals have their headquarters in Melbourne. The two are the largest listed Australian pharmaceutical companies. Melbourne has an important ICT industry that employs over 60,000 people (one third of Australia's ICT workforce), with a turnover of $19.8 billion and export revenues of $615 million. In addition, tourism also plays an important role in Melbourne's economy, with about 7.6 million domestic visitors and 1.88 million international visitors in 2004. In 2008, Melbourne overtook Sydney with the amount of money that domestic tourists spent in the city, accounting for around $15.8 billion annually. Melbourne has been attracting an increasing share of domestic and international conference markets. Construction began in February 2006 of a $1 billion 5000-seat international convention centre, Hilton Hotel and commercial precinct adjacent to the Melbourne Exhibition and Convention Centre to link development along the Yarra River with the Southbank precinct and multibillion-dollar Docklands redevelopment.
How many people are employed by the ICT industry in Melbourne?
A: 60,000

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During the Cenozoic era, specifically about 25 million years ago during the Miocene and Pliocene epochs, the continental climate became favorable to the evolution of grasslands. Existing forest biomes declined and grasslands became much more widespread. The grasslands provided a new niche for mammals, including many ungulates and glires, that switched from browsing diets to grazing diets. Traditionally, the spread of grasslands and the development of grazers have been strongly linked. However, an examination of mammalian teeth suggests that it is the open, gritty habitat and not the grass itself which is linked to diet changes in mammals, giving rise to the "grit, not grass" hypothesis.
In what era did forest biomes start to grow?
A: unanswerable

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In markets where a digital transmitter was installed, existing coverage areas were not necessarily maintained. For instance, the CBC implemented a digital transmitter covering Fredericton, New Brunswick in the place of the existing transmitter covering Saint John, New Brunswick and Fredericton, and decided to maintain analogue service to Saint John. According to CBC's application for this transmitter to the CRTC, the population served by the digital transmitter would be 113,930 people versus 303,465 served by the existing analogue transmitter. In Victoria, the replacement of the Vancouver analogue transmitters with digital ones only allowed only some northeastern parts of the metropolitan area (total population 330,000) to receive either CBC or Radio-Canada.
The CBC provided false data regarding analog versus digital stating that the coverage would change from what numbers respectively?
A: unanswerable

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Its services include RIBA Insight, RIBA Appointments, and RIBA Publishing. It publishes the RIBA Product Selector and RIBA Journal. In Newcastle is the NBS, the National Building Specification, which has 130 staff and deals with the building regulations and the Construction Information Service. RIBA Bookshops, which operates online and at 66 Portland Place, is also part of RIBA Enterprises.
Where is the NBS located?
A:
Newcastle