[Q]: Extract the answer to the question from the following context. Question: A database includes structures and? Context: Sometimes it is desired to bring a database back to a previous state (for many reasons, e.g., cases when the database is found corrupted due to a software error, or if it has been updated with erroneous data). To achieve this a backup operation is done occasionally or continuously, where each desired database state (i.e., the values of its data and their embedding in database's data structures) is kept within dedicated backup files (many techniques exist to do this effectively). When this state is needed, i.e., when it is decided by a database administrator to bring the database back to this state (e.g., by specifying this state by a desired point in time when the database was in this state), these files are utilized to restore that state.
****
[A]: data

[Q]: Extract the answer to the question from the following context. Question: Where might one find a program counter? Context: A key component common to all CPUs is the program counter, a special memory cell (a register) that keeps track of which location in memory the next instruction is to be read from.
****
[A]: CPUs

[Q]: Extract the answer to the question from the following context. Question: When is the festival held each year? Context: Since 2009, the Tucson Festival of Books has been held annually over a two-day period in March at the University of Arizona. By 2010 it had become the fourth largest book festival in the United States, with 450 authors and 80,000 attendees. In addition to readings and lectures, it features a science fair, varied entertainment, food, and exhibitors ranging from local retailers and publishers to regional and national nonprofit organizations. In 2011, the Festival began presenting a Founder's Award; recipients include Elmore Leonard and R.L. Stine.
****
[A]: in March

[Q]: Extract the answer to the question from the following context. Question: Where were the shows produced? Context: Other major television series Spielberg produced were Band of Brothers, Taken and The Pacific. He was an executive producer on the critically acclaimed 2005 TV miniseries Into the West which won two Emmy awards, including one for Geoff Zanelli's score. For his 2010 miniseries The Pacific he teamed up once again with co-producer Tom Hanks, with Gary Goetzman also co-producing'. The miniseries is believed to have cost $250 million and is a 10-part war miniseries centered on the battles in the Pacific Theater during World War II. Writer Bruce McKenna, who penned several installments of (Band of Brothers), was the head writer.
****
[A]:
television