Question: RNZ Concert is a radio network owned by a company headquartered in a city with what population?

Context paragraphs:
Magic (radio network): Magic is a New Zealand oldies radio network owned by MediaWorks New Zealand.  The network is a direct competitor to New Zealand Media and Entertainment's Coast network, targeting New Zealand's growing population of baby boomers with a line-up of veteran broadcasters.  Its breakfast show, Magic in the Morning, is hosted by high-profile television producer, game show host, sports commentator and radio announcer Mark Leishman.  Its playlist, drawn from the 1950s to 1970s, includes music from Elvis Presley, The Beach Boys, Roy Orbison, Dusty Springfield and Rod Stewart.

Hilltopper IMG Sports Network: The Hilltopper IMG Sports network, also known as the Big Red Radio Network, is the regional sports radio network for the Western Kentucky University's Hilltoppers and Lady Toppers.  Headquartered in Bowling Green, Kentucky, the network provides coverage of WKU's athletic teams football, men's and women's basketball.  Some select affiliates also clears WKU Men's Baseball games.  The network boasts the second-largest radio network in the Commonwealth of Kentucky, behind only their main competitor, the UK IMG Sports Network.

Cumulus Media Networks: Cumulus Media Networks was an American radio network owned and operated by Cumulus Media.  From 2011 until its merger with Westwood One, it controlled many of the radio assets formerly belonging to the American Broadcasting Company (ABC), which was broken up in 2007; Cumulus owned the portion of the network that was purchased by Citadel Broadcasting that year.  The network adopted its final name in September 2011, following Cumulus's acquisition of Citadel; prior to this, it had been known as Citadel Media Networks since April 2009, after licensing the "ABC Radio Networks" name from The Walt Disney Company for nearly two years.  ABC now operates a revived ABC Radio Network that owns no stations but produces (mostly short-form) audio content.

Mainichi Broadcasting System: Mainichi Broadcasting System, Inc. (株式会社毎日放送 , Kabushiki-gaisha Mainichi Hōsō , Mainichi Broadcasting System Stock‑Company) is a radio and television broadcasting company headquartered in Osaka, Japan, affiliated with Japan Radio Network (JRN), National Radio Network (NRN), Japan News Network (JNN) and TBS Network, serving in the Kansai region.

Radio New Zealand: RNZ (Radio New Zealand) (Māori: "Te Reo Irirangi o Aotearoa" ) is a New Zealand public service radio broadcaster and Crown entity formed by the Radio New Zealand Act 1995.  It operates the news, current affairs, and arts network RNZ National and classical music and jazz network RNZ Concert with full government funding from New Zealand on Air.  Since 2014, the organisation focuses increasingly on its production of digital content in audio, video and written forms.

New York Mets Radio Network: The New York Mets Radio Network, referred to on air as the WOR Mets Radio Network Driven by Your TriHonda Dealers, is a radio network owned by iHeartMedia that broadcasts New York Mets baseball games.  It consists of 10 stations (8A.M., 3F.M. and 3 F.M. translators) in the states of Connecticut, Florida & New York.  A Spanish-language broadcast airs separately from the English-language network.

Radio Classics: Radio Classics is a US old time radio network owned by RSPT LLC.  It provides the programming content for Sirius XM Radio's 24-hour satellite radio channel of the same name.  Radio Classics also syndicates the Radio Spirits-branded program "When Radio Was" to over 200 terrestrial radio stations.  In addition, Radio Classics has a monthly online subscription service, providing subscribers with unlimited streaming and twenty hours per month of downloads of old time radio shows that have appeared on past "When Radio Was", "Radio Super Heroes", "Radio Movie Classics", or "Radio Hall of Fame" (special edition of "When Radio Was" that focuses on National Radio Hall of Fame inductees) installments.

Tobacco Radio Network: Tobacco Radio Network was a radio network owned and operated by Capitol Broadcasting Company of Raleigh, North Carolina.  Begun in 1942, the network was dedicated to educating and keeping farmers informed of the latest agricultural news, stories, and market standings.  With the help of broadcaster Ray Wilkinson, the network went from being broadcast on one North Carolina affiliate to affiliates from Virginia to Florida.  In the late 1940s, a sister station was formed called the Tobacco Sports Network, which carried North Carolina collegiate football and basketball.  In 1959, the two networks were merged into the Tobacco Network and later that became the Capitol Agribusiness Network.  In 1996, all of Capitol Broadcasting's radio networks were restructured and merged into the North Carolina News Network.

RNZ Concert: RNZ Concert or Radio New Zealand Concert (Māori: "Te Reo Irirangi o Aotearoa Concert" ), known as Concert FM until 2007, is a publicly funded non-commercial New Zealand FM fine music radio network.  It is owned and operated by Radio New Zealand from its Wellington headquarters.  The network's playlist of classical, jazz, contemporary and world music includes an extensive and growing collection of original recordings of mostly local musicians and composers.  Around 15 percent of its airtime is given over to live concerts, orchestral performances, operas, interviews, features and specialty music programmes, many of which are locally recorded.

Wellington: Wellington (Māori: "Te Whanganui-a-Tara" ) is the capital city and second most populous urban area of New Zealand, with 405,000 residents.  It is at the south-western tip of the North Island, between Cook Strait and the Rimutaka Range.  Wellington is the major population centre of the southern North Island and is the administrative centre of the Wellington Region, which also includes the Kapiti Coast and Wairarapa.  It is the world's windiest city, with an average wind speed of over 26 km/h, and the world's southernmost capital of a sovereign state.

Supporting paragraphs: RNZ Concert Wellington
Answer: 405,000