Question: Killochan railway station is near the castle that is what type of tower house?

Context paragraphs:
K7205/7206 Harbin-Baoqing Through Train: The K7205/7206 Harbin-Baoqing Through Train (Chinese:K7205/7206次哈尔滨到宝清快速列车) is Chinese railway running between Harbin to Baoqing County express passenger trains by the Harbin Railway Bureau, Harbin passenger segment responsible for passenger transport task, Habin originating on the Baoqing Count train.  25G Type Passenger trains running along the Binbei Railway, Suijia Railway, Jiafu Railway, Fuqian Railway and Youbao Railway across Heilongjiang provinces, the entire 689 km.  Harbin East Railway Station to Baoqing Railway Station running 12 hours and 54 minutes, use trips for K7205; Baoqing Railway Station to Harbin Railway Station to run 12 hours, use trips for K7206.

Perinad railway station: Perinad railway station (Code:PRND) is an 'E-Class' railway station, situated near the city of Kollam in Kollam district of Kerala.  Perinad Railway Station is falls under the Thiruvananthapuram railway division of the Southern Railway Zone, Indian Railways.  Perinad railway station is situated between Munrothuruthu and Kollam Junction railway station.  The nearest important major rail head is Kollam Junction railway station.

G399/400 Beijing-Changchun Through Train: The G399/400 Beijing-Changchun Through Train (Chinese:G399/400次北京南到长春高速动车组列车) is Chinese railway running between the capital Beijing to Changchun, capital of Jilin express passenger trains by the Shenyang Railway Bureau, Changchun passenger segment responsible for passenger transport task, Changchun originating on the Beijing train.  CRH380B Type Passenger trains running along the Beijing–Shanghai High-Speed Railway, Tianjin–Qinhuangdao High-Speed Railway, Qinhuangdao–Shenyang High-Speed Railway and Harbin–Dalian High-Speed Railway across Jilin, Liaoning, Hebei, Tianjin, Beijing and other provinces and cities, the entire 1103 km.  Beijing South Railway Station to Changchun Railway Station running 6 hours and 21 minutes, use trips for G399; Changchun Railway Station to Beijing South Railway Station to run 6 hours and 17 minutes, use trips for G400.

Killochan Castle: Killochan Castle is a 16th-century L-plan tower house about 3 mi north east of Girvan, South Ayrshire, Scotland, north of the Water of Girvan, and south of Burnhead.

Delhi Junction railway station: Delhi Junction, also known as Old Delhi Railway Station (station code DLI), is the oldest railway station of Delhi city and a Junction station.  It is third busiest railway station in India in terms of frequency of trains after Kanpur Central and Vijayawada Junction.  Around 190 trains starts, ends, or passes through the station daily.  It was established near Chandni Chowk in 1864 when trains from Howrah, Calcutta started operating up to Delhi.  Its present building was constructed by the British Indian government in the style of nearby red-coloured fort and opened in 1903.  It has been an important railway station of the country, and preceded the New Delhi Railway Station by about 60 years.  Chandni Chowk underground station of the Delhi Metro is near it.

Bekal Fort railway station: Bekal Fort Railway Station is one of the important railway station in Kasaragod district which serves thousands of people per day.  It comes under the Southern Railway Zone of Indian Railways.  Bekal Fort Railway Station handles over 10 trains and serves about 5000 of people per day.  It is situated next to the Bekal Fort Beach and near to the Bekal Fort.  The older name of this railway station was Pallikkere Railway Station.  But later, it was named after the Bekal Fort as 'Bekal Fort Railway Station'.  The Indian Railway has about 13 acres of land in the surrounding of the Bekal Fort Railway Station.

Ochira railway station: Ochira railway station (Code:OCR) is an 'E-Class' railway station, situated near the city of Kollam in Kollam district of Kerala.  Ochira railway station is situated at the borders of Kollam district.  It falls under the Thiruvananthapuram railway division of the Southern Railway Zone, Indian Railways.  The railway station is situated between Karunagappalli and Kayamkulam.  The nearest important major rail head is Kollam Junction railway station.  The other major railway stations near oachira are Kayamkulam Junction railway station and Karunagappalli railway station.

K339/340 Beijing-Jiamusi Through Train: The K339/340 Beijing-Jiamusi Through Train (Chinese:K339/340次北京到佳木斯快速列车) is a railway running from Beijing to Jiamusi.  It carries express passenger trains for the Harbin Railway Bureau.  The Jiamusi passenger segment is responsible for passenger transport.  Jiamusi originates on the Beijing train.  25G Type Passenger trains run along the Jingqin Railway, Shenshan Railway, Hada Railway, Binbei Railway and Suijia Railway across Heilongjiang, Jilin, Liaoning, Hebei, Tianjin, Beijing and other areas.  The route covers 1675 km.  Beijing Railway Station to Jiamusi Railway Station runs 23 hours and 27 minutes.  Jiamusi Railway Station to Beijing Railway Station runs 24 hours and 18 minutes.

Killochan railway station: Killochan railway station was located in a rural part of South Ayrshire, Scotland and mainly served the nearby Killochan Castle estate.  The Killochan bank is the name given to this section of the line, running from Girvan on an uphill gradient to just north of the old station site.  Maybole is around nine miles away and Girvan two miles.

Tower castle: A tower castle is a small castle that mainly consists of a fortified tower or a tower-like structure that is built on natural ground.  It is thus different from the motte-and-bailey castle, which it may resemble, but whose main defensive structure is built on a "motte" or artificial hill.  The tower castle is occasionally also described as a tower house castle or a tower house.

Supporting paragraphs: Killochan railway station Killochan Castle
Answer: L-plan