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Of the 10 most populous U.S. cities, Houston has the most total area of parks and green space, 56,405 acres (228 km2). The city also has over 200 additional green spacestotaling over 19,600 acres (79 km2) that are managed by the cityincluding the Houston Arboretum and Nature Center. The Lee and Joe Jamail Skatepark is a public skatepark owned and operated by the city of Houston, and is one of the largest skateparks in Texas consisting of 30,000 (2,800 m2) square foot in-ground facility. The Gerald D. Hines Waterwall Parklocated in the Uptown District of the cityserves as a popular tourist attraction, weddings, and various celebrations. A 2011 study by Walk Score ranked Houston the 23rd most walkable of the 50 largest cities in the United States. Wet'n'Wild SplashTown is a water park located north of Houston.
What does Houston have the most of compared to other large US cities?
A: parks and green space

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Anthropology is the study of humans and their societies in the past and present. Its main subdivisions are social anthropology and cultural anthropology, which describes the workings of societies around the world, linguistic anthropology, which investigates the influence of language in social life, and biological or physical anthropology, which concerns long-term development of the human organism. Archaeology, which studies past human cultures through investigation of physical evidence, is thought of as a branch of anthropology in the United States, while in Europe, it is viewed as a discipline in its own right, or grouped under other related disciplines such as history.
What is anthropology a study of?
A: humans and their societies

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Religious Ashkenazi Jews living in Israel are obliged to follow the authority of the chief Ashkenazi rabbi in halakhic matters. In this respect, a religiously Ashkenazi Jew is an Israeli who is more likely to support certain religious interests in Israel, including certain political parties. These political parties result from the fact that a portion of the Israeli electorate votes for Jewish religious parties; although the electoral map changes from one election to another, there are generally several small parties associated with the interests of religious Ashkenazi Jews. The role of religious parties, including small religious parties that play important roles as coalition members, results in turn from Israel's composition as a complex society in which competing social, economic, and religious interests stand for election to the Knesset, a unicameral legislature with 120 seats.
What is the Knesset?
A: a unicameral legislature with 120 seats

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In January 2002, the United States Special Operations Command, Pacific deployed to the Philippines to advise and assist the Armed Forces of the Philippines in combating Filipino Islamist groups. The operations were mainly focused on removing the Abu Sayyaf group and Jemaah Islamiyah (JI) from their stronghold on the island of Basilan. The second portion of the operation was conducted as a humanitarian program called "Operation Smiles". The goal of the program was to provide medical care and services to the region of Basilan as part of a "Hearts and Minds" program. Joint Special Operations Task Force Philippines disbanded in June 2014, ending a 14-year mission. After JSOTF-P disbanded, as late as November 2014, American forces continued to operate in the Philippines under the name "PACOM Augmentation Team".
What humanitarian effort followed the 2002 military operation in the Philippines?
A:
Operation Smiles