Question: Who is the parent company of Google that also offers Project Shield?

full_context: Document 1: Alphabet Inc.: Alphabet Inc. is an American multinational conglomerate created in a corporate restructuring of Google on October 2, 2015. It is now the parent company of Google and several former Google subsidiaries. The two founders of Google assumed executive roles in the new company, with Larry Page serving as CEO and Sergey Brin as President. The company is based in Mountain View, California. It has over 75,606 employees as of 2017.
Document 2: DuckDuckGo: DuckDuckGo (DDG) is an Internet search engine that emphasizes protecting searchers' privacy and avoiding the filter bubble of personalized search results. DuckDuckGo distinguishes itself from other search engines by not profiling its users and by deliberately showing all users the same search results for a given search term. DuckDuckGo emphasizes returning the best results, rather than the most results, and generates those results from over 400 individual sources, including key crowdsourced sites such as Wikipedia, and other search engines like Bing, Yahoo!, Yandex, and Yummly.
Document 3: John Krafcik: John Krafcik (born September 18, 1961) is the chief executive officer (CEO) of Waymo Inc. Krafcik was the former president of True Car Inc. and President and CEO of Hyundai Motor America. His current position was announced In December 2016, after Google separated its self-driving car project and transitioned it into a new company called Waymo, which is now housed under Google’s parent company Alphabet.
Document 4: Stratolaunch Systems: Stratolaunch Systems Corporation is a space transportation venture developing a new air launch to orbit system, with its corporate headquarters located in Seattle, Washington. The project was officially announced in December 2011 by Microsoft co-founder Paul G. Allen and Scaled Composites founder Burt Rutan, who had previously collaborated on the creation of SpaceShipOne.
Document 5: Allen &amp; Company Sun Valley Conference: The Allen & Company Sun Valley Conference is an annual media finance conference hosted and wholly independently funded by private investment firm Allen & Company. The conference has taken place in Sun Valley, Idaho for one week each July since 1983. The conference typically features business leaders, political figures, and major figures in the philanthropic and cultural spheres. Previous conference guests have included Bill and Melinda Gates, Warren and Susan Buffett, Tony Blair, Google founders Larry Page and Sergey Brin, Allen alumnus and former Philippine Senator Mar Roxas, Google Chairman Eric Schmidt, Yahoo! co-founder Jerry Yang, Facebook founder Mark Zuckerberg, Media Mogul Rupert Murdoch, eBay CEO Meg Whitman, BET founder Robert Johnson, Time Warner Chairman Richard Parsons, NBA player LeBron James, Governor Chris Christie, entertainer Dan Chan, Katharine Graham of "The Washington Post", Diane Sawyer, InterActiveCorp Chairman Barry Diller, Linkedin co-founder Reid Hoffman, Sandro Salsano from Salsano Group, and Washington Post CEO Donald E. Graham, and Oprah.
Document 6: Yahoo!: Yahoo! is a web services provider, wholly owned by Verizon Communications through Oath Inc. and headquartered in Sunnyvale, California. The original Yahoo! company was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early Internet era in the 1990s. Marissa Mayer, a former Google executive, served as CEO and President of Yahoo until June 2017.
Document 7: Project Shield: Project Shield is a free anti-distributed-denial-of-service (anti-DDoS) service that is offered by Jigsaw, a subsidiary of Google's parent company, Alphabet Inc. to websites that have "media, elections, and human rights related content." The main goal of the project is to serve "small, under-resourced news sites that are vulnerable to the web’s growing epidemic of DDOS attacks", according to team lead George Conard.
Document 8: YouTube: YouTube is an American video-sharing website headquartered in San Bruno, California. The service was created by three former PayPal employees — Chad Hurley, Steve Chen, and Jawed Karim — in February 2005. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google's subsidiaries.
Document 9: Hackerspace Global Grid: The Hackerspace Global Grid is aiming at building and establishing a distributed sensor and communication network. It was started in 2011 by Armin Bauer (shackspace), Andreas Horning (Constellation Platform), and Gregor Jehle (shackspace) after a call for participation in the "Hackers in Space" programme at the Chaos Communication Camp, 2011 to create a global community-driven communication network.
Document 10: Project Darkstar: Project Darkstar was an open source MMOG middleware solution written in Java. Project Darkstar began as a personal project of Jeff Kesselman in 1999. It later became a research project at Sun Microsystems, and aimed to "help developers and operators avoid a range of serious, yet typical, problems associated with massive scale online games, virtual worlds, and social networking applications today, including zone overloading, data corruption, and server underutilization."
Document 11: Science Applications International Corporation: Science Applications International Corporation (SAIC) is an American company headquartered in Reston, Virginia that provides government services and information technology support. The original SAIC was created in 1969 by J. Robert Beyster. Then on September 27, 2013, it spun off a $4 billion unit which retained its name, while the parent company changed its name to Leidos. Following the split, Anthony J. Moraco was appointed CEO of SAIC, and John P. Jumper was appointed CEO of Leidos. The primary motivation for the spinoff was the conflicts of interest provisions in the Federal Acquisition Regulations which prevented the company from bidding on some new contracts because of existing contracts.
Document 12: Spoiler Shield: Spoiler Shield is an iOS and Android app designed to block spoilers of popular television shows and sports games on Facebook and Twitter. Using a proprietary algorithm, Spoiler Shield filters the users Facebook and/or Twitter feeds avoiding any post that could potentially give away the outcome of a show or game. It can block spoilers from over 30 television shows (including American Horror Story, Boardwalk Empire, and Project Runway), as well as sports games from every team of the NFL, MLB and NBA. Spoiler Shield was founded by Josh Solt and Matthew Loew in 2013.
Document 13: Waymo: Waymo is an autonomous car development company spun out of Google's parent company, Alphabet Inc., in December 2016. It then took over the self-driving car project which Google had begun in 2009. Alphabet describes Waymo as "a self-driving tech company with a mission to make it safe and easy for people and things to move around". The new company, which will be headed by long-time automotive executive John Krafcik, is working towards making self-driving cars available to the public soon. From the company's FAQ:
Document 14: Amit Singhal: Amitabh Kumar "Amit" Singhal (born September 1968) is the former senior vice president of engineering at Uber, a position he took up in 2017, reporting to CEO Travis Kalanick. Prior to this, he was senior vice president and software engineer at Google Inc.. He was a Google Fellow, and was the head of Google's core ranking team. He left Google on 26 February 2016 as the Head of Google Search.
Document 15: Goojje: Goojje (, ] ) is a spoof website of Google China, which encourages the real site to stay online and comply with Internet censorship in the People's Republic of China. The site was created after Google executives publicly threatened to shut down the Chinese site following the Operation Aurora cyber attack on Google China, which some computer security experts believe may have come from within China as in the GhostNet cyber spying operation. Google China executives had also publicly condemned the necessity of filtering search results in line with the Golden Shield Project (also known as the Great Firewall of China), which some commentators have stated appears to run counter to Google's mantra, "Don't be evil".
ground_truth: Alphabet Inc.