Question: Which publisher produced both Adventure Comics and Flashpoint?
Context: Adventure Comics is an American comic book series published by DC Comics from 1938 to 1983 and revived from 2009 to 2011.  In its first era, the series ran for 503 issues (472 of those after the title changed from "New Adventure Comics"), making it the fifth-longest-running DC series, behind "Detective Comics", "Action Comics", "Superman", and "Batman".  It was revived in 2009 by writer Geoff Johns with the Conner Kent incarnation of Superboy headlining the title's main feature, and the Legion of Super-Heroes in the back-up story.  It returned to its original numbering with #516 (September 2010).  The series finally ended with #529 (October 2011), prior to DC's The New 52 company reboot as a result of the Flashpoint storyline. Dollar Comics was a line of DC Comics comic book publications issued from 1977 to 1983.  They included the titles "The Superman Family", "House of Mystery", "G.I. Combat", "World's Finest Comics", "Batman Family", and "Adventure Comics"; as well as the series of specials with the umbrella title of "DC Special Series".  Dollar Comics were notable for costing $1, having 64 pages, and being advertising-free. Hourman (spelled Hour-Man in his earliest appearances, also referred to as the Hour-Man, and the Hourman) is the name of three different fictional superheroes appearing in comics published by DC Comics.  The original Hourman was created by Ken Fitch and Bernard Baily in "Adventure Comics" #48 (April 1940), during the Golden Age of Comic Books. Atlantis is depicted as a real location in the fictional DC Comics Universe.  The very first DC Universe version of Atlantis debuted in "Action Comics" #18 (November 1939), and was created by Gardner F. Fox and Fred Guardineer.  Other versions appeared in various DC comics in the 1940s and 1950s, including the version in the Superman group of books in which the mermaid Lori Lemaris resides.  Aquaman's version of the city, the most prominently featured version in the company's line, first appeared in "Adventure Comics" #260 (May 1959), and was created by Robert Bernstein and Ramona Fradon.  All versions are based on the mythical island of Atlantis first mentioned in Plato's initial dialogue, the "Timaeus", written c. 360 BC. The Emerald Empress is a fictional character in DC Comics.  A supervillain that is an enemy of the Legion of Super-Heroes and a member of the Fatal Five, she was created by Jim Shooter and Curt Swan, and first appeared in "Adventure Comics" #352 (January 1967).  The character was ranked 38th in "Comics Buyer's Guide's" "100 Sexiest Women in Comics" list. Flashpoint is one of South Florida's most popular jazz bands.  Based out of Miami, Flashpoint was band formed in 1991 by two firefighters, Paul Messina and George Schoendorfer.  Described as "a six piece contemporary instrumental jazz fusion group, with a delightful latin flavor", Flashpoint's instrumentality includes: Flute/Saxophone (Messina), Guitar (Schoendorfer), Keyboards, Bass, Drums, and Percussion (Nuñez).  Its music may be classified as sizzling jazz, Brazilian jazz, contemporary jazz, smooth jazz, jazz funk, and jazz fusion.  Flashpoint released its debut album, "Cool Heat", in 2001 and is currently working on its second.  Flashpoint's music is produced by Gary Vandy Audio Productions. "Flashpoint" is a 2011 comic book crossover story arc published by DC Comics.  Consisting of an eponymous core limited series and a number of tie-in titles, the storyline premiered in May 2011.  The core miniseries was written by Geoff Johns and pencilled by Andy Kubert.  In its end, the series radically changes the status quo for the DC Universe leading into the publisher's 2011 relaunch, the New 52. "Alien Nation" comic books were a number of comic books based on the "Alien Nation" entertainment media franchise.  DC Comics initially produced a single-issue comic book adaptation of the 1988 film.  Later, Malibu Comics, under their Adventure Comics imprint, produced several spin-off titles between 1990 and 1992. Toby Press was an American comic-book company that published from 1949 to 1955.  Founded by Elliott Caplin, brother of cartoonist Al Capp and himself an established comic strip writer, the company published reprints of Capp's "Li'l Abner" strip; licensed-character comics starring such film and animated cartoon properties as John Wayne and Felix the Cat; and original conceptions, including romance, war, Western, and adventure comics.  Some of its comics were published under the imprint Minoan.  Some covers bore the logo ANC, standing for American News Company, at the time the country's largest newsstand distributor. From China to Canada: A History of the Chinese Communities in Canada is a 1982 book edited by Edgar Wickberg and published by McClelland & Stewart.  It was collectively produced by five authors: Wickberg, Harry Con, Ronald J. Con, Graham Johnson, and William E. Willmott.  The publisher produced the book in association with the Government Publishing Centre of Supply and Services Canada and the Multiculturalism Directorate of the Canadian Department of the Secretary of State.  The book discusses Chinese immigration to Canada, and it covers the years 1858 to 1980.  It includes comparisons of Chinese communities in urban and rural areas and across different provinces.  Sucheng Chan of the University of California, Santa Cruz wrote that "From China to Canada" "deals systematically with developments during the "dark ages" in the history of the Chinese in North America".  Tetsuden Kashima of the University of Washington wrote that the book "is a straightforward history."  Peter Kong-ming New of the University of South Florida described the book as having a "sociohistorical view" of the history.
Answer: DC Comics