Does the sentence "Perhaps the most famous raid by Oeselian pirates occurred in 1187, with the attack on the Swedish town of Sigtuna by Finnic raiders from Couronia and Oesel." provide a valid answer to the question "What year did the Oeselian pirates carry out a famous raid?"

A: yes

Does the sentence "Raised within the Sunni branch of Islam, Gaddafi called for the implementation of sharia within Libya." provide a valid answer to the question "In what country is Kampala Mosque located?"

A: no

Does the sentence "From 1965 to 1970 the Kennedy half dollar was the only circulating coin with any silver content, which was removed in 1971 and replaced with cupronickel." provide a valid answer to the question "What was the only coin with any silver content in circulation from 1965 to 1970?"

A: yes

Does the sentence "In September 1828 Chopin, while still a student, visited Berlin with a family friend, zoologist Feliks Jarocki, enjoying operas directed by Gaspare Spontini and attending concerts by Carl Friedrich Zelter, Felix Mendelssohn and other celebrities." provide a valid answer to the question "Which opera director did Frederic see works of during his stay in Berlin?"

A:
yes