Please answer this: Extract the answer to the question from the following context. Question: Harmonics are made of? Context: A sound generated on any instrument produces many modes of vibration that occur simultaneously. A listener hears numerous frequencies at once. The vibration with the lowest frequency is called the fundamental frequency; the other frequencies are overtones. Harmonics are an important class of overtones with frequencies that are integer multiples of the fundamental. Whether or not the higher frequencies are integer multiples, they are collectively called the partials, referring to the different parts that make up the total spectrum.
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Answer: frequencies

Please answer this: Extract the answer to the question from the following context. Question: what is been discussed? Context: True aspirated voiced consonants, as opposed to murmured (breathy-voice) consonants such as the [b], [d], [] that are common in the languages of India, are extremely rare. They have been documented in Kelabit Taa, and the Kx'a languages. Reported aspirated voiced stops, affricates and clicks are [bp, dt, dts, dt, k, q, , , , , ].
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Answer: languages of India

Please answer this: Extract the answer to the question from the following context. Question: There are how many universities in charge of operating medical schools? Context: The University of Oklahoma has several institutions of higher learning in the city and metropolitan area, with OU Medicine and the University of Oklahoma Health Sciences Center campuses located east of downtown in the Oklahoma Health Center district, and the main campus located to the south in the suburb of Norman. The OU Medicine hosting the state's only Level-One trauma center. OU Health Sciences Center is one of the nation's largest independent medical centers, employing more than 12,000 people. OU is one of only four major universities in the nation to operate six medical schools.[clarification needed]
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Answer:
four