Question: What is the headquarters location of the company that owns the Roosevelt Hotel, in the city that Roark returns to in The Fountainhead?

<P0-S0> Beginning in 1979, the hotel was leased by the Pakistan International Airlines through its investment arm PIA Investments Ltd. (``PIA ''), with an option to purchase the building after 20 years. <P0-S1> Prince Faisal bin Khalid bin Abdulaziz Al Saud of Saudi Arabia was one of the investors in the 1979 deal. <P0-S2> In 1999, PIA exercised their option and bought the hotel for $36.5 million, after a legal battle with owner Paul Milstein, who claimed it was worth much more. <P0-S3> In 2005, PIA bought out its Saudi partner in a deal that included the prince's share in Hôtel Scribe in Paris in exchange for $40 million and PIA's share of the Riyadh Minhal Hotel (a Holiday Inn located on property owned by the prince). <P0-S4> PIA has since controlled 99 percent interest in the hotel, while the Saudis have only 1 percent. <SEP> <P1-S0> "love around" was filmed entirely on location in taiwan. <P1-S1> asia fm 92.7, the radio station depicted in the drama is an actual free to air radio station in taiwan with its headquarters and broadcasting station in taoyuan city, taoyuan county. <P1-S2> the building and set used in the drama to depict the radio station is actually an office building located at 257 xinhu 2nd rd., neihu district, taipei city, which is only a few blocks from sanlih's broadcasting headquarters in the neihu district of taipei. <P1-S3> the resort that zhou zhen owns is the former "leo ocean resort" now called "ehr hotels & resorts yilan", located in yilan county. <P1-S4> the homes of both main lead characters are located in the newly developed area of danshui district new taipei city. <SEP> <P2-S0> the rutherford hotel (named after sir ernest rutherford) is a luxury accommodation hotel in nelson, new zealand it is the biggest hotel in nelson, and the city's tallest building. <P2-S1> it is part of the chain company heritage hotels, which have hotels based in many locations around new zealand. <SEP> <P3-S0> The Ispahani Hangar is a Pakistan International Airlines wide-body aircraft maintenance hangar at the Jinnah International Airport in Karachi, Pakistan. <P3-S1> It was named in honour of Mirza Ahmad Ispahani, the first and longest serving chairman of Pakistan International Airlines (PIA). <P3-S2> The hangar for wide body and narrow body aircraft with a supporting airframe overhaul shop was completed and commissioned in 1968. <SEP> <P4-S0> After Cameron retires, Keating hires Roark, whom Francon soon fires for refusing to design a building in the classical style. <P4-S1> Roark works briefly at another firm, then opens his own office but has trouble finding clients and closes it down. <P4-S2> He gets a job in a granite quarry owned by Francon. <P4-S3> There he meets Francon's daughter Dominique, a columnist for The New York Banner, while she is staying at her family's estate nearby. <P4-S4> They are immediately attracted to each other, leading to a rough sexual encounter that Dominique later calls a rape. <P4-S5> Shortly after, Roark is notified that a client is ready to start a new building, and he returns to New York. <P4-S6> Dominique also returns to New York and learns Roark is an architect. <P4-S7> She attacks his work in public, but visits him for secret sexual encounters.