[Q]: The Whitechapel murders were committed in or near the impoverished Whitechapel district in the East End of London between 3 April 1888 and 13 February 1891. At various points some or all of these eleven unsolved murders of women have been ascribed to the notorious unidentified serial killer known as Jack the Ripper. The article states "some or all of these eleven murders" were ascribed to Jack the Ripper, but from the article we cannot tell how many women The Ripper murdered.
[A]: It's impossible to say

[Q]: InterTV Grande Minas is a Brazilian television station affiliated with Rede Globo coverage in the Northern part of the Noroeste, Central and the Jequitinhonha and Mucuri of Minas Gerais. Operates on VHF channel 4, in its headquarters city, Montes Claros / MG. Belongs to the Rede InterTV. InterTV Grande Minas is best known for its sports programming.
[A]: It's impossible to say

[Q]: Boy Hits Car is a 2001 album by the alternative metal band Boy Hits Car released on Wind-Up Records. It remains their most popular and well-known album, with "I'm A Cloud" being popular, and even making it into the soundtrack of some works in popular culture, such as "Aggressive Inline". Boy Hits Car is a 2011 album by a metal band
[A]: No

[Q]: Huevos a la mexicana is a popular breakfast dish in Mexican cuisine. Finely chopped tomato, green chili pepper and onion is lightly fried in a hot skillet. Eggs are added and stirred until set. The heat is turned off and the coriander leaves are mixed in the eggs, adding salt. Refried beans is a common accompaniment. Huevos a la mexicana is a common breakfast dish in Mexico.
[A]:
Yes