Question: Beth Quist can play the national musical instrument of what country?

Context paragraphs:
Beth Quist: Beth Quist, a multi-instrumentalist, vocalist, and composer, began playing piano at age 2.  She has a 4-octave soprano voice, and plays piano, keyboards, santour (hammered dulcimer), dumbek, guitar, flute, and various other instruments.

Electric instrument: An electric musical instrument is one in which the use of electric devices determines or affects the sound produced by an instrument.  Electric musical instruments are an example of electric music technology.  It is also known as an amplified musical instrument due to the common utilization of an electronic instrument amplifier to project the intended sound as determined by electric signals from the instrument.  Two common types of instrument amplifiers are the guitar amplifier and the bass amplifier.  This is not the same as an electronic musical instrument, like a synthesizer, which uses entirely electronic means to both create and control sound.

Moscow International Duduk Festival: The Moscow International Duduk Festival, MIDF (Armenian: Դուդուկի մոսկովյան միջազգային փառատոն, ԴՄՄՓ ; Russian: Московский международный фестиваль дудука, ММФД ) is an international annual music festival of Armenian national musical instrument of Duduk held in Moscow.

Rubab (instrument): Rubab, robab or rabab (Pashto: رباب‎ , Urdu: رباب‎ , Azerbaijani: "Rübab" , Turkish: "Rübab" , Persian: رُباب‎ ‎ "rubāb", Tajik and Uzbek "рубоб") is a lute-like musical instrument originating from central Afghanistan.  It derives its name from the Arab "rebab" which means "played with a bow" but in Central Asia the instrument is plucked and is distinctly different in construction.  The "rubab" is mainly used by Pashtun, Tajik, Turkish, Kashmiri, Baluch, Azerbaijani, and Iranian Kurdish classical musicians.  Rubab is one of the national musical instruments of Afghanistan and Pakistan.

Samick: Samick Musical Instruments Co., Ltd. (Hangul: 삼익악기, also known as Samick) is a South Korean musical instrument manufacturer.  Founded 1958, it is one of the world's largest musical instrument manufacturers and an owner of shares in several musical instrument manufacturing companies.

Tanbou: A tanbou (] ) is the national musical instrument and type of barrel drum from Haiti.  The drum is used in many music genres of Haiti and has been influential in the rest of the Caribbean and Latin American world.

Martti Pokela: Martti Eliel Pokela (23 January 1924 – 23 August 2007) was a Finnish folk musician and composer.  Pokela was an expert with the kantele, Finland's national musical instrument.

Santoor: The santoor is a trapezoid-shaped hammered dulcimer or string musical instrument made of walnut, with seventy-two strings.  It is the national musical instrument of Iran, and is also native to Jammu and Kashmir.  It dates back to ancient times, and was called "Shatha Tantri Veena" in ancient Sanskrit texts.  A primitive ancestor of this type of instrument was used in Mesopotamia (1600-911 BC) and Babylonia.

Jiang Fengzhi: Jiang Fengzhi (蒋风之, 1908—1986) was an erhu artist from Yixing, Jiangsu Province, China.  His career of playing the erhu can be divided into four periods.  In the first period, he was educated by Wang Laosi (simplified Chinese: 王老四) from 1920 to 1921.  The second is learning from Chu Shizhu (simplified Chinese: 储师竹, also a Chinese erhu artist).  The third, he asked Wu Bochao for help later in 1927 after school.  The fourth, he became a student of Liu Tianhua (simplified Chinese: 刘天华, a national musical instrument composer) officially from 1929 to 1932.  And his concept is that: for study, the first is working hard, the second is being creative.

Musical instrument: A musical instrument is an instrument created or adapted to make musical sounds.  In principle, any object that produces sound can be considered a musical instrument—it is through purpose that the object becomes a musical instrument.  The history of musical instruments dates to the beginnings of human culture.  Early musical instruments may have been used for ritual, such as a trumpet to signal success on the hunt, or a drum in a religious ceremony.  Cultures eventually developed composition and performance of melodies for entertainment.  Musical instruments evolved in step with changing applications.

Supporting paragraphs: Beth Quist Santoor
Answer: Iran