Question: Who wrote the national anthem of the country where the town of Mannar is located?

full_context: Document 1: Mannar Island Lighthouse (new): Mannar Island Lighthouse is a lighthouse in Talaimannar on Mannar Island in northern Sri Lanka. Built in 1915, the white lighthouse has a round cylindrical tower with lantern and gallery.
Document 2: S. Mahinda: S. Mahinda arrived in Ceylon (now Sri Lanka) at a young age and was ordained as a Buddhist monk. Having learned the Sinhala language, he became a poet, creating several literary works inspiring patriotism among the Sinhalese and urging them to fight for their freedom during Sri Lankan Independence movement.. He is now considered a national hero of Sri Lanka and one among the greatest of Sinhalese poetry figures of all time.
Document 3: Mankulam railway station: Mankulam railway station ( "Māṅkuḷam toṭaruntu nilaiyam") is a railway station in the town of Mankulam in northern Sri Lanka. Owned by Sri Lanka Railways, the state-owned railway operator, the station is part of the Northern Line which links the north with the capital Colombo. The popular Yarl Devi service calls at the station. The station was not functioning between 1990 and 2013 due to the civil war. The Northern Line between Omanthai and Kilinochchi, which includes Mankulam, was re-opened on 14 September 2013.
Document 4: Manampitiya Bridge: Manampitiya Bridge is the second longest bridge in Sri Lanka with a length of 302 metres. It comprises 2 bridges, an early-twentieth-century steel bridge which is used for railway and a newly built bridge carrying 2 lanes of highway. Before the Kinniya Bridge was declared open in 2009, it was the longest bridge in Sri Lanka. The steel bridge was built in 1922, during the colonial rule. It is 291 metres long and less than 5 metres in width. Bridge is located 81 kilometres east of Maradankadawala, along the A11 Habarana-Thirikondiyadimadu road in Polonnaruwa District, linking North Central Province with Eastern Province over Mahaweli River. The new bridge in Manampitiya was built with financial assistance of Japan, hence the name Sri Lanka-Japan Friendship Peace Bridge. Japan International Cooperation Agency (JICA) provided LKR 1.3 billion on behalf of the Japanese government. Bridge was declared open on 25 October 2007 by President Mahinda Rajapaksa. The new 50 Sri Lankan Rupee note depicts the Manampitiya Bridge.
Document 5: Sare Jahan se Accha: ``Sare Jahan se Accha ''(Urdu: سارے جہاں سے اچھا ‎ ‎; Sāre Jahāṉ se Acchā), formally known as`` Tarānah - i - Hindi'' (Urdu: ترانۂ ہندی ‎ ‎; ``Anthem of the People of India ''), is an Urdu language patriotic song written for children by poet Muhammad Iqbal in the ghazal style of Urdu poetry. The poem was published in the weekly journal Ittehad on 16 August 1904. Publicly recited by Iqbal the following year at Government College, Lahore, British India (now in Pakistan) it quickly became an anthem of opposition to the British Raj. The song, an ode to Hindustan -- the land comprising present - day Bangladesh, India and Pakistan, was later published in 1924 in the Urdu book Bang - i - Dara.
Document 6: Mannar, Sri Lanka: Mannar (, , formerly spelled Manar) is the main town of Mannar District, Northern Province, Sri Lanka. It is governed by an Urban Council. The town is located on Mannar Island overlooking the Gulf of Mannar and is home to the historic Ketheeswaram temple.
Document 7: Jana Gana Mana: ``Jana Gana Mana ''(Hindi: (ɟənə gəɳə mənə)) is the national anthem of India. It was originally composed as Bharoto Bhagyo Bidhata in Bengali by poet Rabindranath Tagore. The first stanza of the song Bharoto Bhagyo Bidhata in its Hindi version was adopted by the Constituent Assembly of India as the National Anthem on 24 January 1950. A formal rendition of the national anthem takes approximately fifty - two seconds. A shortened version consisting of the first and last lines (and taking about 20 seconds to play) is also staged occasionally. It was first publicly sung on 27 December 1911 at the Calcutta (now, Kolkata) Session of the Indian National Congress.
Document 8: Sri Lanka Matha: There are differing accounts as to the origin of the Sri Lanka Matha. The most widely held view is that Sri Lankan composer Ananda Samarakoon wrote the music and lyrics to the song inspired / influenced by Bengali poet Rabindranath Tagore. A minority suggest that Tagore wrote the anthem in full. Some have suggested that Tagore wrote the music whilst Samarakoon wrote the lyrics. Tagore being directly involved in the creation of the song has been denied by some historians like Indian Lipi Ghosh and Sri Lankan Sandagomi Coperahewa. Samarakoon had been a pupil of Tagore at Visva - Bharati University, Santiniketan. After returning to Ceylon Samarakoon taught music at Mahinda College, Galle. The song, which was then known as Namo Namo Mata, was first sung by students at Mahinda College. After it was sung by the choir from Musaeus College, Colombo at a public event it became hugely popular in Ceylon and was widely played on radio.
Document 9: Sri Lanka Matha: There are differing accounts as to the origin of the Sri Lanka Matha. The most widely held view is that Sri Lankan composer Ananda Samarakoon wrote the music and lyrics to the song inspired / influenced by Bengali poet Rabindranath Tagore. A minority suggest that Tagore wrote the anthem in full. Some have suggested that Tagore wrote the music whilst Samarakoon wrote the lyrics. Samarakoon had been a pupil of Tagore at Visva - Bharati University, Santiniketan. After returning to Ceylon Samarakoon taught music at Mahinda College, Galle. The song, which was then known as Namo Namo Mata, was first sung by students at Mahinda College. After it was sung by the choir from Musaeus College, Colombo at a public event it became hugely popular in Ceylon and was widely played on radio.
Document 10: Manigramam, Tamil Nadu: Manigramam is a village in Nagapattinam district in the southern Indian state of Tamil Nadu. It is located 25 km from Mayiladuthurai (Mayuram), 18 km from Sirkali, 5 km from Poompuhar, 2 km from Thiruvengadu. Famous Thirumani Azhagar temple is located in this village. Other than this, Mariyamman temple,Ayyanar Kovil with Madurai Veeran, Pirai Veeran temple, Mosque and Church decorate the village.
Document 11: Vande Mataram: It played a vital role in the Indian independence movement, first sung in a political context by Rabindranath Tagore at the 1896 session of the Indian National Congress. It became a popular marching song for political activism and Indian freedom movement in 1905. Spiritual Indian nationalist and philosopher Sri Aurobindo referred it as ``National Anthem of Bengal ''. The song and the novel containing it was banned by the British government, but workers and general public defied the ban, many went to colonial prisons repeatedly for singing it, and the ban was overturned by the Indians after they gained independence from the colonial rule.
Document 12: Muttukumara Kavirajar: Muttukumara Kavirajar (1780–1851), the Ceylon / Sri Lankan Tamil poet, was one of the earliest Hindus to protest via published native literature the conversion attempts by the various Protestant missionaries within the Jaffna peninsula in Sri Lanka. He wrote the Jnanakkummi or "Kummi Song on Wisdom" and Yesumataparikaram or "Abolition of the Jesus Doctrine". These poem were initially published in 1850s by Arumuga Navalar
Document 13: Sare Jahan se Accha: Sare Jahan se Accha (Urdu: سارے جہاں سے اچھا ‎; Sāre Jahāṉ se Acchā), formally known as Tarānah - i - Hindi (Urdu: ترانۂ ہندی ‎; Anthem of the People of India), is an Urdu language patriotic song written for children by poet Muhammad Iqbal in the ghazal style of Urdu poetry. The poem was published in the weekly journal Ittehad on 16 August 1904. Publicly recited by Iqbal the following year at Government College, Lahore, British India (now in Pakistan) it quickly became an anthem of opposition to the British Raj. The song, an ode to Hindustan -- the land comprising present - day Bangladesh, India and Pakistan, was later published in 1924 in the Urdu book Bang - i - Dara.
Document 14: Oddusuddan: Oddusuddan is a town in the Mullaitivu District, Sri Lanka. In Tamil Oddu-suddan translates to 'roof-tile-making-place'. It is located nearly halfway between Maankulam and Mullaitivu on highway A34.
Document 15: Bentota: Bentota is a coastal town in Sri Lanka, located in the Galle District of the Southern Province, governed by an Urban Council. It is approximately south of Colombo and north of Galle. Bentota is situated on the southern bank of the Bentota River mouth, at an elevation of above the sea level. The name of the town is derived from a mythical story which claims a demon named 'Bem' ruled the tota or river bank.
ground_truth: Ananda Samarakoon
sub_queries: Mannar >> country Answer: Sri Lanka
who has written the national anthem of Sri Lanka Answer: Ananda Samarakoon