Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

Q: Porter Airlines is a regional airline headquartered at Billy Bishop Toronto City Airport on the Toronto Islands in Toronto , Ontario , Canada . Owned by Porter Aviation Holdings , formerly known as REGCO Holdings Inc. , Porter operates regularly scheduled flights between Toronto and locations in Canada and the United States using Canadian - built Bombardier Dash - 8 Q 400 turboprop aircraft .

A: Porter Airlines
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Q: Guru Randhawa is an Indian singer and songwriter from Punjab , India . Randhawa is known for his tracks like '' High Rated Gabru '' , '' Patola '' , '' Raat kamal hai '' and '' Lahore '' . He sang in the 2017 Indian Premier League opening ceremony . He made his Bollywood singing debut in Hindi Medium . He also sang for the film Simran . He composed and sang for films like Hindi Medium , Tumhari Sulu , Dil Juunglee , Sonu Ke Titu Ki Sweety and Blackmail . He is related to singer Zora Randhawa .

A: Guru Randhawa
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Q: Belgrade ( / blred / BEL - grayd ; Serbian : Beograd / , meaning '' white city '' , Serbian pronunciation : ( beorad ) ( listen ) ; names in other languages ) is the capital and largest city of Serbia . It is located at the confluence of the Sava and Danube rivers , where the Pannonian Plain meets the Balkans . The urban area of the City of Belgrade has a population of 1.23 million , while nearly 1.7 million people live within its administrative limits .

A:
Belgrade
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