Q: Gram-negative bacteria are a group of bacteria that do not retain the crystal violet stain used in the gram-staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall sandwiched between an inner cytoplasmic cell membrane and a bacterial outer membrane.

Answer this question: the cell wall of gram-negative bacterial cells is external to the?
A: an inner cytoplasmic cell membrane. How to explain the answer? To answer the above question, the relevant sentence is: They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall sandwiched between an inner cytoplasmic cell membrane and a bacterial outer membrane.

Q: Context: As of July 24, 2017, 39 episodes of Counting On have aired, concluding the fifth season. Season 6 premiered on September 11, 2017.

Question: when is season 6 of counting on coming out?
A: September 11 , 2017. How to explain the answer? The relevant sentence in the passage is: Season 6 premiered on September 11, 2017.

Q: "In the Pines", also known as "Where Did You Sleep Last Night?" and "Black Girl", is a traditional American folk song originating from two songs, "In the Pines" and "The Longest Train", both of which whose authorship is unknown and date back to at least the 1870s (though some contend an older, Irish history). The songs originated in the Southern Appalachian area of the United States in the contiguous areas of Eastern Tennessee and Kentucky, Western North Carolina and Northern Georgia.

Answer this question: where did you sleep last night folk song?
A: In the Pines. How to explain the answer? This is the relevant information: "In the Pines", also known as "Where Did You Sleep Last Night?" and "Black Girl", is a traditional American folk song originating from two songs, "In the Pines" and "The Longest Train", both of which whose authorship is unknown and date back to at least the 1870s (though some contend an older, Irish history).

Q: Black Panther is an upcoming American superhero film based on the Marvel Comics character of the same name. Produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures, it is intended to be the eighteenth film in the Marvel Cinematic Universe. The film is directed by Ryan Coogler from a screenplay by him and Joe Robert Cole, and stars Chadwick Boseman as T'Challa / Black Panther alongside Michael B. Jordan, Lupita Nyong'o, Danai Gurira, Martin Freeman, Daniel Kaluuya, Letitia Wright, Winston Duke, Angela Bassett, Forest Whitaker, and Andy Serkis. In Black Panther, T'Challa returns home as king of Wakanda but finds his sovereignty challenged by a long-time adversary in a conflict that has global consequences.

Who is playing black panther in the movie?
A:
Chadwick Boseman. How to explain the answer? To answer the question, consider the following: The film is directed by Ryan Coogler from a screenplay by him and Joe Robert Cole, and stars Chadwick Boseman as T'Challa / Black Panther alongside Michael B. Jordan, Lupita Nyong'o, Danai Gurira, Martin Freeman, Daniel Kaluuya, Letitia Wright, Winston Duke, Angela Bassett, Forest Whitaker, and Andy Serkis.