Question: Who wrote the national anthem of the country where the next summit will be held?

full_context: Document 1: 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 2: .lk: .lk (.ලංකා/.இலங்கை) is the Internet country code top-level domain (ccTLD) for Sri Lanka. Foreign companies who do not have a local presence can only reserve their top-level and corresponding open second-level domains (either through the LK Domain Registry or agents). In order to register and use a name they must have a contact address in Sri Lanka (which may be obtained through an agent or law firm).
Document 3: South Asian Association for Regional Cooperation: The SAARC member states imposed a stipulation for Afghanistan to hold a general election; the non-partisan elections were held in late 2005. Despite initial reluctance and internal debates, Afghanistan joined SAARC as its eighth member state in April 2007.
Document 4: 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 5: 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 6: 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 7: 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 8: South Asian Association for Regional Cooperation: Officially, the union was established in Dhaka with Kathmandu being union's secretariat - general. The first SAARC summit was held in Dhaka on 7 -- 8 December 1985 and hosted by the President of Bangladesh Hussain Ershad. The declaration signed by King of Bhutan Jigme Singye Wangchuk, President of Pakistan Zia - ul - Haq, Prime Minister of India Rajiv Gandhi, King of Nepal Birendra Shah, President of Sri Lanka JR Jayewardene, and President of Maldives Maumoon Gayoom.
Document 9: South Asia: India is the largest & fastest growing economy in the region (US $2.180 trillion) and makes up almost 82% of the South Asian economy; it is the world's 7th largest in nominal terms and 3rd largest by purchasing power adjusted exchange rates (US $8.020 trillion). India is the only member of powerful G - 20 major economies and BRICS from the region. It is the fastest growing major economy in the world and one of the world's fastest registering a growth of 7.3% in FY 2014 -- 15. Pakistan has the next largest economy ($250 billion) and the 5th highest GDP per capita in the region, followed by Bangladesh and then by Sri Lanka which has the 2nd highest per capita and is the 4th largest economy in the region. According to a World Bank report in 2015, driven by a strong expansion in India, coupled with favorable oil prices, from the last quarter of 2014 South Asia become the fastest - growing region in the world
Document 10: 20th SAARC summit: 20th SAARC summit Host country Sri Lanka Date 2018 Participants Afghanistan Bangladesh Bhutan India Maldives Nepal Pakistan Sri Lanka Follows 19th SAARC summit Precedes 21st SAARC summit Website Saarc
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: South Asian Association for Regional Cooperation: The South Asian Association for Regional Cooperation (SAARC) is the regional intergovernmental organization and geopolitical union of nations in South Asia. Its member states include Afghanistan, Bangladesh, Bhutan, India, Nepal, the Maldives, Pakistan and Sri Lanka. SAARC comprises 3% of the world's area, 21% of the world's population and 3.8% (US $2.9 trillion) of the global economy, as of 2015.
Document 13: 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 14: 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 15: 10th BRICS summit: The 2018 BRICS summit is the tenth annual BRICS summit, an international relations conference attended by the heads of state or heads of government of the five member states Brazil, Russia, India, China and South Africa. The summit was held in Johannesburg, South Africa, the second time the South Africa has hosted the summit after the 2013 summit. This years theme 'BRICS in Africa'.
ground_truth: Ananda Samarakoon
sub_queries: where is the next summit going to be held Answer: Sri Lanka
who has written the national anthem of Sri Lanka Answer: Ananda Samarakoon