Question: Where did U.S. News & World Report rank Catherine LaCugna's employer in its 2015-2016 university rankings?

full_context: Document 1: Mary Pellatt: She died suddenly of heart failure on April 24, 1924. The Girl Guides formed a Guard of Honour for her funeral at St. James' Cathedral in Toronto. She was buried in her Girl Guide uniform in King, Ontario.
Document 2: Buddy Adler: Buddy Adler died of lung cancer, aged 54, in Los Angeles and was interred in the Forest Lawn Memorial Park Cemetery in Glendale, California. His widow, who was buried there as well, died ten years later.
Document 3: Catherine LaCugna: Catherine LaCugna died at the age of 44, of cancer, and is buried in the Cedar Grove Cemetery on the Notre Dame campus.
Document 4: Montevideo: The largest cemetery is the Cementerio del Norte, located in the northern-central part of the city. The Central Cemetery (Spanish: Cementerio central), located in Barrio Sur in the southern area of the city, is one of Uruguay's main cemeteries. It was one of the first cemeteries (in contrast to church graveyards) in the country, founded in 1835 in a time where burials were still carried out by the Catholic Church. It is the burial place of many of the most famous Uruguayans, such as Eduardo Acevedo, Delmira Agustini, Luis Batlle Berres, José Batlle y Ordóñez, Juan Manuel Blanes, François Ducasse, father of Comte de Lautréamont (Isidore Ducasse), Luis Alberto de Herrera, Benito Nardone, José Enrique Rodó, and Juan Zorrilla de San Martín.
Document 5: Karl Popper: Popper died of "complications of cancer, pneumonia and kidney failure" in Kenley at the age of 92 on 17 September 1994. He had been working continuously on his philosophy until two weeks before, when he suddenly fell terminally ill. After cremation, his ashes were taken to Vienna and buried at Lainzer cemetery adjacent to the ORF Centre, where his wife Josefine Anna Popper (called ‘Hennie’) had already been buried. Popper's estate is managed by his secretary and personal assistant Melitta Mew and her husband Raymond. Popper's manuscripts went to the Hoover Institution at Stanford University, partly during his lifetime and partly as supplementary material after his death. Klagenfurt University possesses Popper's library, including his precious bibliophilia, as well as hard copies of the original Hoover material and microfilms of the supplementary material. The remaining parts of the estate were mostly transferred to The Karl Popper Charitable Trust. In October 2008 Klagenfurt University acquired the copyrights from the estate.
Document 6: Washington University in St. Louis: Graduate schools include the School of Medicine, currently ranked sixth in the nation, and the George Warren Brown School of Social Work, currently ranked first. The program in occupational therapy at Washington University currently occupies the first spot for the 2016 U.S. News & World Report rankings, and the program in physical therapy is ranked first as well. For the 2015 edition, the School of Law is ranked 18th and the Olin Business School is ranked 19th. Additionally, the Graduate School of Architecture and Urban Design was ranked ninth in the nation by the journal DesignIntelligence in its 2013 edition of "America's Best Architecture & Design Schools."
Document 7: University of Notre Dame: In 2014 the Notre Dame student body consisted of 12,179 students, with 8,448 undergraduates, 2,138 graduate and professional and 1,593 professional (Law, M.Div., Business, M.Ed.) students. Around 21–24% of students are children of alumni, and although 37% of students come from the Midwestern United States, the student body represents all 50 states and 100 countries. As of March 2007[update] The Princeton Review ranked the school as the fifth highest 'dream school' for parents to send their children. As of March 2015[update] The Princeton Review ranked Notre Dame as the ninth highest. The school has been previously criticized for its lack of diversity, and The Princeton Review ranks the university highly among schools at which "Alternative Lifestyles [are] Not an Alternative." It has also been commended by some diversity oriented publications; Hispanic Magazine in 2004 ranked the university ninth on its list of the top–25 colleges for Latinos, and The Journal of Blacks in Higher Education recognized the university in 2006 for raising enrollment of African-American students. With 6,000 participants, the university's intramural sports program was named in 2004 by Sports Illustrated as the best program in the country, while in 2007 The Princeton Review named it as the top school where "Everyone Plays Intramural Sports." The annual Bookstore Basketball tournament is the largest outdoor five-on-five tournament in the world with over 700 teams participating each year, while the Notre Dame Men's Boxing Club hosts the annual Bengal Bouts tournament that raises money for the Holy Cross Missions in Bangladesh.
Document 8: Henry Cavendish: Cavendish died in 1810 (as one of the wealthiest men in Britain) and was buried, along with many of his ancestors, in the church that is now Derby Cathedral. The road he used to live on in Derby has been named after him. The University of Cambridge's Cavendish Laboratory was endowed by one of Cavendish's later relatives, William Cavendish, 7th Duke of Devonshire (Chancellor of the University from 1861 to 1891).
Document 9: University of North Dakota School of Law: In its 2015 ranking of American law schools, U.S. News and World Report ranked UND Law 144 out of approximately 194 accredited law schools.
Document 10: University of Notre Dame: Notre Dame is known for its competitive admissions, with the incoming class enrolling in fall 2015 admitting 3,577 from a pool of 18,156 (19.7%). The academic profile of the enrolled class continues to rate among the top 10 to 15 in the nation for national research universities. The university practices a non-restrictive early action policy that allows admitted students to consider admission to Notre Dame as well as any other colleges to which they were accepted. 1,400 of the 3,577 (39.1%) were admitted under the early action plan. Admitted students came from 1,311 high schools and the average student traveled more than 750 miles to Notre Dame, making it arguably the most representative university in the United States. While all entering students begin in the College of the First Year of Studies, 25% have indicated they plan to study in the liberal arts or social sciences, 24% in engineering, 24% in business, 24% in science, and 3% in architecture.
Document 11: University of Notre Dame: In 2015-2016, Notre Dame ranked 18th overall among "national universities" in the United States in U.S. News & World Report's Best Colleges 2016. In 2014, USA Today ranked Notre Dame 10th overall for American universities based on data from College Factual. Forbes.com's America's Best Colleges ranks Notre Dame 13th among colleges in the United States in 2015, 8th among Research Universities, and 1st in the Midwest. U.S. News & World Report also lists Notre Dame Law School as 22nd overall. BusinessWeek ranks Mendoza College of Business undergraduate school as 1st overall. It ranks the MBA program as 20th overall. The Philosophical Gourmet Report ranks Notre Dame's graduate philosophy program as 15th nationally, while ARCHITECT Magazine ranked the undergraduate architecture program as 12th nationally. Additionally, the study abroad program ranks sixth in highest participation percentage in the nation, with 57.6% of students choosing to study abroad in 17 countries. According to payscale.com, undergraduate alumni of University of Notre Dame have a mid-career median salary $110,000, making it the 24th highest among colleges and universities in the United States. The median starting salary of $55,300 ranked 58th in the same peer group.
Document 12: University of Notre Dame: All of Notre Dame's undergraduate students are a part of one of the five undergraduate colleges at the school or are in the First Year of Studies program. The First Year of Studies program was established in 1962 to guide incoming freshmen in their first year at the school before they have declared a major. Each student is given an academic advisor from the program who helps them to choose classes that give them exposure to any major in which they are interested. The program also includes a Learning Resource Center which provides time management, collaborative learning, and subject tutoring. This program has been recognized previously, by U.S. News & World Report, as outstanding.
Document 13: University of Notre Dame: Besides its prominence in sports, Notre Dame is also a large, four-year, highly residential research University, and is consistently ranked among the top twenty universities in the United States  and as a major global university. The undergraduate component of the university is organized into four colleges (Arts and Letters, Science, Engineering, Business) and the Architecture School. The latter is known for teaching New Classical Architecture and for awarding the globally renowned annual Driehaus Architecture Prize. Notre Dame's graduate program has more than 50 master's, doctoral and professional degree programs offered by the five schools, with the addition of the Notre Dame Law School and a MD-PhD program offered in combination with IU medical School. It maintains a system of libraries, cultural venues, artistic and scientific museums, including Hesburgh Library and the Snite Museum of Art. Over 80% of the university's 8,000 undergraduates live on campus in one of 29 single-sex residence halls, each with its own traditions, legacies, events and intramural sports teams. The university counts approximately 120,000 alumni, considered among the strongest alumni networks among U.S. colleges.
Document 14: Patricia Neal: Neal died at her home in Edgartown, Martha's Vineyard, Massachusetts, on August 8, 2010, from lung cancer. She was 84 years old.She had become a Catholic four months before she died and was buried in the Abbey of Regina Laudis in Bethlehem, Connecticut, where the actress Dolores Hart, her friend since the early 1960s, had become a nun and ultimately prioress. Neal had been a longtime supporter of the abbey's open-air theatre and arts program.
Document 15: University of Notre Dame: As of 2012[update] research continued in many fields. The university president, John Jenkins, described his hope that Notre Dame would become "one of the pre–eminent research institutions in the world" in his inaugural address. The university has many multi-disciplinary institutes devoted to research in varying fields, including the Medieval Institute, the Kellogg Institute for International Studies, the Kroc Institute for International Peace studies, and the Center for Social Concerns. Recent research includes work on family conflict and child development, genome mapping, the increasing trade deficit of the United States with China, studies in fluid mechanics, computational science and engineering, and marketing trends on the Internet. As of 2013, the university is home to the Notre Dame Global Adaptation Index which ranks countries annually based on how vulnerable they are to climate change and how prepared they are to adapt.
ground_truth: 18th overall
sub_queries: Catherine LaCugna >> employer Answer: Notre Dame
Where did U.S. News & World Report rank Notre Dame in its 2015-2016 university rankings? Answer: 18th overall