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The most familiar, and historically the oldest, types of glass are "silicate glasses" based on the chemical compound silica (silicon dioxide, or quartz), the primary constituent of sand. The term glass, in popular usage, is often used to refer only to this type of material, which is familiar from use as window glass and in glass bottles. Of the many silica-based glasses that exist, ordinary glazing and container glass is formed from a specific type called soda-lime glass, composed of approximately 75% silicon dioxide (SiO2), sodium oxide (Na2O) from sodium carbonate (Na2CO3), calcium oxide, also called lime (CaO), and several minor additives. A very clear and durable quartz glass can be made from pure silica, but the high melting point and very narrow glass transition of quartz make glassblowing and hot working difficult. In glasses like soda lime, the compounds added to quartz are used to lower the melting temperature and improve workability, at a cost in the toughness, thermal stability, and optical transmittance.

What is sand mostly made of?
Answer: silica

Problem: The forces converged in the largest sea battle of World War II up to that point. Over the previous month American destroyers had destroyed 17 of 25 submarines out of Ozawa's screening force. Repeated U.S. raids destroyed the Japanese land-based planes. Ozawa's main attack lacked coordination, with the Japanese planes arriving at their targets in a staggered sequence. Following a directive from Nimitz, the U.S. carriers all had combat information centers, which interpreted the flow of radar data and radioed interception orders to the Hellcats. The result was later dubbed the Great Marianas Turkey Shoot. The few attackers to reach the U.S. fleet encountered massive AA fire with proximity fuzes. Only one American warship was slightly damaged.
How many of Ozawa's submarines were sunk by American destroyers?
The answer is the following: 17

Modern Egypt is considered to be a regional and middle power, with significant cultural, political, and military influence in North Africa, the Middle East and the Muslim world. Its economy is one of the largest and most diversified in the Middle East, with sectors such as tourism, agriculture, industry and services at almost equal production levels. In 2011, longtime President Hosni Mubarak stepped down amid mass protests. Later elections saw the rise of the Muslim Brotherhood, which was ousted by the army a year later amid mass protests.
What influence does Egypt have?
cultural, political, and military influence in North Africa, the Middle East and the Muslim world

Input: Database
Static analysis techniques for software verification can be applied also in the scenario of query languages. In particular, the *Abstract interpretation framework has been extended to the field of query languages for relational databases as a way to support sound approximation techniques. The semantics of query languages can be tuned according to suitable abstractions of the concrete domain of data. The abstraction of relational database system has many interesting applications, in particular, for security purposes, such as fine grained access control, watermarking, etc.

What do query languages support in abstract interpretation frameworks?
Output: sound approximation techniques

Input: Article: Detroit's courts are state-administered and elections are nonpartisan. The Probate Court for Wayne County is located in the Coleman A. Young Municipal Center in downtown Detroit. The Circuit Court is located across Gratiot Ave. in the Frank Murphy Hall of Justice, in downtown Detroit. The city is home to the Thirty-Sixth District Court, as well as the First District of the Michigan Court of Appeals and the United States District Court for the Eastern District of Michigan. The city provides law enforcement through the Detroit Police Department and emergency services through the Detroit Fire Department.

Now answer this question: Which District Court is Detroit home to?

Output: Thirty-Sixth

Problem: In 1963, the teenage Brian May and his father custom-built his signature guitar Red Special, which was purposely designed to feedback. Sonic experimentation figured heavily in Queen's songs. A distinctive characteristic of Queen's music are the vocal harmonies which are usually composed of the voices of May, Mercury, and Taylor best heard on the studio albums A Night at the Opera and A Day at the Races. Some of the ground work for the development of this sound can be attributed to their former producer Roy Thomas Baker, and their engineer Mike Stone. Besides vocal harmonies, Queen were also known for multi-tracking voices to imitate the sound of a large choir through overdubs. For instance, according to Brian May, there are over 180 vocal overdubs in "Bohemian Rhapsody". The band's vocal structures have been compared with the Beach Boys, but May stated they were not "much of an influence".
What engineer helped with Queen's feedback heavy sound?
The answer is the following:
Mike Stone