Generate a correct and concise answer for the question based on the words in the context.

Q: Context : Winona Cargile Alexander (June 21, 1893 -- October 16, 1984) was a founder of Delta Sigma Theta Sorority, Incorporated at Howard University on January 13, 1913. 
Question : Where did Winona Cargile Alexander study or work?

A: Howard University
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Q: Context : ISO 3166-2:ZA is the entry for South Africa in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:ZA?

A: International Organization for Standardization
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Q: Context : The Soviet RPG-22 Netto is a one-shot disposable anti-tank rocket launcher first deployed in 1985, based on the RPG-18 rocket launcher, but firing a larger 72.5 mm fin stabilised projectile. 
Question : In what year did RPG-22 enter service?

A:
1985
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