Question: When was the company that published Hürriyet founded?

Knowledge 1: Hürriyet
Hürriyet ("Liberty") is one of the major Turkish newspapers, founded in 1948., it had the highest circulation of any newspaper in Turkey at around 319,000."Hürriyet" has a mainstream, liberal and conservative outlook. "Hürriyet"s editorial line may be considered middle-market, combining entertainment value with comprehensive news coverage and a strong cadre of columnists."Hürriyet" has regional offices in Istanbul, Ankara, Izmir, Adana, Antalya and Trabzon, as well as a news network comprising 52 offices and 600 reporters in Turkey and abroad, all affiliated with Doğan News Agency, which primarily serves newspapers and television channels that are under the management of Doğan Media Group (Doğan Yayın Holding)."Hürriyet" is printed in six cities in Turkey and in Frankfurt, Germany. , according to Alexa, its website was the tenth most visited in Turkey, the second most visited of a newspaper and the fourth most visited news website.On 21 March 2018, Doğan Yayın Holding, the parent company of Hürriyet, was sold to Demirören Holding for $1.2 billion.The Demirören Group is known for its pro-government stance. [SEP] Knowledge 2: Doğan Media Group
Doğan Media Group ("Doğan Yayın Holding A.Ş.") was a Turkish media conglomerate, part of the Doğan Holding conglomerate.The company was established in 1997 to bring together Doğan's media properties.These include the "PostaHürriyet" (including "Fanatik"), and "Radikal" newspapers, the television channels Kanal D and CNN Türk, and the Doğan News Agency.It also operated "Doğan Kitap", a major book publisher, and "Doğan Music Company", a major music label.Doğan also operated print facilities and media distribution, for other newspapers and magazines as well as its own.From 1979 to 2011, Doğan Media Group owned "Milliyet" and "Vatan".In August 2014, Doğan Holding announced its plan to take over Doğan Media Group with all its assets and liabilities and absorb it.The takeover was completed on 26 August 2014 and Doğan Media Group was dissolved.Doğan Holding chairperson Begüm Faralyalı said the merger would lead to a 'more simple management'.22 March 2018 all the media group was sold to Demirören Media Group for $ 1.1 billion price.
Knowledge 1: Hürriyet
Hürriyet ("Liberty") is one of the major Turkish newspapers, founded in 1948., it had the highest circulation of any newspaper in Turkey at around 319,000."Hürriyet" has a mainstream, liberal and conservative outlook. "Hürriyet"s editorial line may be considered middle-market, combining entertainment value with comprehensive news coverage and a strong cadre of columnists."Hürriyet" has regional offices in Istanbul, Ankara, Izmir, Adana, Antalya and Trabzon, as well as a news network comprising 52 offices and 600 reporters in Turkey and abroad, all affiliated with Doğan News Agency, which primarily serves newspapers and television channels that are under the management of Doğan Media Group (Doğan Yayın Holding)."Hürriyet" is printed in six cities in Turkey and in Frankfurt, Germany. , according to Alexa, its website was the tenth most visited in Turkey, the second most visited of a newspaper and the fourth most visited news website.On 21 March 2018, Doğan Yayın Holding, the parent company of Hürriyet, was sold to Demirören Holding for $1.2 billion.The Demirören Group is known for its pro-government stance. [SEP] Knowledge 2: Chappell & Co.
Chappell& Co. was an English company that published music and manufactured pianos.
Knowledge 1: Hürriyet
Hürriyet ("Liberty") is one of the major Turkish newspapers, founded in 1948., it had the highest circulation of any newspaper in Turkey at around 319,000."Hürriyet" has a mainstream, liberal and conservative outlook. "Hürriyet"s editorial line may be considered middle-market, combining entertainment value with comprehensive news coverage and a strong cadre of columnists."Hürriyet" has regional offices in Istanbul, Ankara, Izmir, Adana, Antalya and Trabzon, as well as a news network comprising 52 offices and 600 reporters in Turkey and abroad, all affiliated with Doğan News Agency, which primarily serves newspapers and television channels that are under the management of Doğan Media Group (Doğan Yayın Holding)."Hürriyet" is printed in six cities in Turkey and in Frankfurt, Germany. , according to Alexa, its website was the tenth most visited in Turkey, the second most visited of a newspaper and the fourth most visited news website.On 21 March 2018, Doğan Yayın Holding, the parent company of Hürriyet, was sold to Demirören Holding for $1.2 billion.The Demirören Group is known for its pro-government stance. [SEP] Knowledge 2: Manchester Mercury
The Manchester Mercury was a Tory newspaper based in Manchester, England that published from 1752 until 1830.

Answer: 1997