This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

[EX Q]: Passage: With the Conference of Berlin of 1884, Portuguese Africa territories had their borders formally established on request of Portugal in order to protect the centuries-long Portuguese interests in the continent from rivalries enticed by the Scramble for Africa. Portuguese Africa's cities and towns like Nova Lisboa, Sa da Bandeira, Silva Porto, Malanje, Tete, Vila Junqueiro, Vila Pery and Vila Cabral were founded or redeveloped inland during this period and beyond. New coastal towns like Beira, Mocamedes, Lobito, Joao Belo, Nacala and Porto Amelia were also founded. Even before the turn of the 20th century, railway tracks as the Benguela railway in Angola, and the Beira railway in Mozambique, started to be built to link coastal areas and selected inland regions. Question: During what period were the Portugese Africa's cities founded or redeveloped?
[EX A]: Scramble for Africa

[EX Q]: Passage: The original services of an inn are now also available at other establishments, such as hotels, lodges, and motels, which focus more on lodging customers than on other services, although they usually provide meals; pubs, which are primarily alcohol-serving establishments; and restaurants and taverns, which serve food and drink. In North America, the lodging aspect of the word "inn" lives on in hotel brand names like Holiday Inn, and in some state laws that refer to lodging operators as innkeepers. Question: In the United States, what are operators of lodgings sometimes called?
[EX A]: innkeepers

[EX Q]: Passage: One of the best known sporting events in the city is the Boston Marathon, the 26.2-mile (42.2 km) race which is the world's oldest annual marathon, run on Patriots' Day in April. On April 15, 2013, two explosions killed three people and injured hundreds at the marathon. Another major annual event is the Head of the Charles Regatta, held in October. Question: When is the head of Charles Regatta held?
[EX A]:
October