Question: How many seasons are in It's Always Sunny in the US city minting the appreciation medals?

full_context: Document 1: It's Always Sunny in Philadelphia (season 13): The thirteenth season of the American comedy television series It's Always Sunny in Philadelphia premiered on FXX on September 5, 2018.
Document 2: Whose Line Is It Anyway? (American TV series): On July 18, 2014, The CW announced that the show will be returning for a 24 - episode eleventh season (and third season on The CW) which started airing on April 17, 2015. On August 11, 2015 the series was renewed for a twelfth season (fourth on The CW) to start airing May 23, 2016. On October 24, 2016 The CW renewed the show for a thirteenth season (fifth season on The CW) to start airing May 29, 2017.
Document 3: United States Mint coin sets: All releases from 1936 to 1972 included the cent, nickel, dime, quarter, and half dollar from that year. The first proof sets through 1964 were minted at the Philadelphia Mint. There were two official releases in 1942: one regular five coin set and a set including a silver wartime nickel. United States currency was debased beginning in 1965, but the sets continued under the name United States Mint Proof Set. Production was moved to the San Francisco branch in 1968, and all subsequent issues bear coins with an ``S ''mint mark. In 1973, the Eisenhower dollar was added to the collection. Sets from 1975 will have a dual - date 1776 - 1976 quarter, half - dollar, and dollar as none of those coins were ever produced with a 1975 date. The Susan B. Anthony dollar replaced the Eisenhower in 1979. The 1981 mint sets were the only method of obtaining a Susan B. from that year, though many have slipped into circulation. With the cease in minting of dollar coins, the regular issue Proof Set for 1982 included a brass token. From 1983 until 1998, the annual United States Proof set resumed to only issuing the penny, nickel, dime, quarter, and half - dollar.
Document 4: Dwight D. Eisenhower: Eisenhower began smoking cigarettes at West Point, often two or three packs a day. Eisenhower stated that he "gave [himself] an order" to stop cold turkey in March 1949 while at Columbia. He was probably the first president to release information about his health and medical records while in office. On September 24, 1955, while vacationing in Colorado, he had a serious heart attack that required six weeks' hospitalization, during which time Nixon, Dulles, and Sherman Adams assumed administrative duties and provided communication with the President. He was treated by Dr. Paul Dudley White, a cardiologist with a national reputation, who regularly informed the press of the President's progress. Instead of eliminating him as a candidate for a second term as President, his physician recommended a second term as essential to his recovery.
Document 5: Dwight D. Eisenhower: A loblolly pine, known as the "Eisenhower Pine", was located on Augusta's 17th hole, approximately 210 yards (192 m) from the Masters tee. President Dwight D. Eisenhower, an Augusta National member, hit the tree so many times that, at a 1956 club meeting, he proposed that it be cut down. Not wanting to offend the president, the club's chairman, Clifford Roberts, immediately adjourned the meeting rather than reject the request. The tree was removed in February 2014 after an ice storm caused it significant damage.
Document 6: Dwight D. Eisenhower: On the domestic front, he covertly opposed Joseph McCarthy and contributed to the end of McCarthyism by openly invoking the modern expanded version of executive privilege. He otherwise left most political activity to his Vice President, Richard Nixon. He was a moderate conservative who continued New Deal agencies and expanded Social Security. He also launched the Interstate Highway System, the Defense Advanced Research Projects Agency (DARPA), the establishment of strong science education via the National Defense Education Act, and encouraged peaceful use of nuclear power via amendments to the Atomic Energy Act.
Document 7: It's Always Sunny in Philadelphia (season 12): The twelfth season of the American comedy television series It's Always Sunny in Philadelphia premiered on FXX on January 4, 2017. The season consists of 10 episodes and concluded on March 8, 2017.
Document 8: Grey's Anatomy: On February 10, 2017, ABC renewed Grey's Anatomy for a fourteenth season, which will premiere in the fall of 2017. The series' success catapulted such long - running cast members as Pompeo, Dempsey and Oh to worldwide recognition; they were among the top five highest earning television actors in 2013.
Document 9: Dwight D. Eisenhower: The Interstate Highway System is officially known as the 'Dwight D. Eisenhower National System of Interstate and Defense Highways' in his honor. It was inspired in part by Eisenhower's own Army experiences in World War II, where he recognized the advantages of the autobahn systems in Germany, Austria, and Switzerland. Commemorative signs reading "Eisenhower Interstate System" and bearing Eisenhower's permanent 5-star rank insignia were introduced in 1993 and are currently displayed throughout the Interstate System. Several highways are also named for him, including the Eisenhower Expressway (Interstate 290) near Chicago and the Eisenhower Tunnel on Interstate 70 west of Denver.
Document 10: The Simpsons (season 29): The twenty - ninth season of the animated television series The Simpsons premiered on Fox in the United States on October 1, 2017. On November 4, 2016, The Simpsons was renewed for seasons 29 and 30, enabling the show to surpass Gunsmoke as the longest - running scripted series in primetime television.
Document 11: Dwight D. Eisenhower: The development of the appreciation medals was initiated by the White House and executed by the Bureau of the Mint through the U.S. Mint in Philadelphia. The medals were struck from September 1958 through October 1960. A total of twenty designs are cataloged with a total mintage of 9,858. Each of the designs incorporates the text "with appreciation" or "with personal and official gratitude" accompanied with Eisenhower's initials "D.D.E." or facsimile signature. The design also incorporates location, date, and/or significant event. Prior to the end of his second term as President, 1,451 medals were turned-in to the Bureau of the Mint and destroyed. The Eisenhower appreciation medals are part of the Presidential Medal of Appreciation Award Medal Series.
Document 12: It's Always Sunny in Philadelphia: The series was renewed for a twelfth season that premiered on January 4, 2017. On April 1, 2017, the series was renewed for a thirteenth and fourteenth season, which will tie it with The Adventures of Ozzie and Harriet as the longest running (number of seasons) live - action sitcom in American TV history.
Document 13: It's Always Sunny in Philadelphia (season 13): It's Always Sunny in Philadelphia (season 13) Promotional poster Country of origin United States No. of episodes 10 Release Original network FXX Original release September 5, 2018 (2018 - 09 - 05) -- present Season chronology ← Previous Season 12 List of It's Always Sunny in Philadelphia episodes
Document 14: Half dollar (United States coin): On December 1, 1794, the first half dollars, approximately 5,300 pieces, were delivered. Another 18,000 were produced in January 1795 using dies of 1794, to save the expense of making new ones. Another 30,000 pieces were struck by the end of 1801. The coin had the Heraldic Eagle, based on the Great Seal of the United States on the reverse. 150,000 were minted in 1804 but struck with dies from 1803, so no 1804 specimens exist.
Document 15: IEEE Centennial Medal: The IEEE Centennial Medal was a medal minted and awarded in 1984 "to persons deserving of special recognition for extraordinary achievement" to celebrate the Centennial of the founding of the Institute of Electrical and Electronics Engineers (IEEE) in 1884. The medal was designed by sculptor Gladys Gunzer.
ground_truth: fourteenth season
sub_queries: In what city were the appreciation medals minted? Answer: Philadelphia
how many seasons are in it's always sunny in Philadelphia Answer: fourteenth season