Question: Honolulu House was built by the Consul to Hawaii under which 15th President?

Context paragraphs:
James Buchanan: James Buchanan Jr. ( ; April 23, 1791June 1, 1868) was the 15th President of the United States (1857–61), serving immediately prior to the American Civil War.  He is the only president from Pennsylvania, the only president to remain a lifelong bachelor, and the last president born in the 18th century.  A member of the Democratic Party, he was the 17th United States Secretary of State and served in the United States Senate and United States House of Representatives.

Paul F. Sharp: Paul F. Sharp (January 19, 1918 – February 19, 2009) was a professor and college administrator.  He served as the 15th president of Hiram College from 1957 to 1965, the 3rd chancellor of the University of North Carolina, Chapel Hill from 1964 to 1965, president of Drake University, and the 9th president of the University of Oklahoma from 1971 to 1977.  Before his stint as a college administrator, Sharp was a professor of History at the University of Minnesota, Iowa State University and the University of Wisconsin, Madison.

David Dockery: David S. Dockery (born October 28 1952, Tuscaloosa, Alabama) is the 15th president of Trinity International University, a Christian university located in Deerfield, Illinois.  His presidency was announced on February 28, 2014.  Formerly he served as the 15th president of Union University, which has been listed among the top tier regional institutions in the South each since 1997.  by "U.S. News and World Report".  Dockery is author or editor of more than 35 books, including: "Renewing Minds", "Southern Baptist Consensus and Renewal", "Biblical Interpretation Then and Now", "Theologians of the Baptist Tradition", and the "Holman Bible Handbook".  His articles have been published in Touchstone, Books & Culture, Christianity Today, and numerous other publications.  In addition, he has contributed chapters or articles to more than 40 other publications.

Donald W. Zacharias: Donald W. Zacharias (September 28, 1935- March 3, 2013) was the 15th President of Mississippi State University from 1985 to 1997.  He died of complications of multiple sclerosis on March 3, 2013, at 77 years of age.  Previously he served as the 6th president of Western Kentucky University from 1979 until 1985.

Punahou Circle apartments: Punahou Circle apartments is a 12-story apartment building at 1617 S. Beretania Street in the Makiki neighborhood of Honolulu, Hawaii.  The building was one of the childhood homes of Barack Obama, the 44th President of the United States.  Obama lived in the building from 1971 to 1979 when he graduated high school.  It was built in 1965.  The building is being considered for landmark status.  Obama's maternal grandmother lived in the family apartment until her death in 2008.

Honolulu House: Honolulu House is a historic home in Marshall, Michigan, built in 1860 as a Hawaiian-inspired house with Italianate and Gothic Revival styles.  It was built by Abner Pratt, a former chief justice of the Michigan Supreme Court and United States Consul to Hawaii under President James Buchanan.  Pratt lived in the Hawaiian islands for many years, and after settling in Marshall, he began to recreate his former surroundings by building Honolulu House.  The house was built across the street from a house that Pratt had built as a wedding gift for his daughter in 1841.  The Honolulu house has a sprawling wraparound porch, reminiscent of the Hawaiian 'Iolani Palace.  The walls were painted with tropical scenes.

Philippine general election, 2010: Elections for all positions in the Philippines above the barangay (except for Autonomous Region in Muslim Mindanao regional level) were held on May 10, 2010.  The elected president is Benigno "Noynoy" Aquino, the 15th President of the Philippines, succeeding President Gloria Macapagal-Arroyo who was barred from seeking re-election due to term restrictions.  The successor of vice-president Noli de Castro is Jejomar Binay, the 15th vice president of the Philippines.  The legislators elected in the 2010 elections have joined the senators of the 2007 elections and comprise the 15th Congress of the Philippines.

Inauguration of Muhammadu Buhari: The inauguration of Muhammadu Buhari as the 15th President of Nigeria, and 4th President in the fourth Nigerian Republic took place on Friday, 29 May 2015.  It marked the beginning of the first term of Muhammadu Buhari as President following the 2015 general election.

John F. Kennedy presidential campaign, 1960: The 1960 presidential campaign of John F. Kennedy, a United States Senator from Massachusetts, began on January 2, 1960, when Kennedy formally announced his candidacy for 35th President of the United States, replacing incumbent President of the United States Dwight D. Eisenhower.  Kennedy was nominated by the Democratic Party at the Democratic National Convention of 1960, taking place between July 11 and July 15, 1960.  On July 15, 1960, Kennedy named Senator Lyndon B. Johnson of Texas as his official running mate.  Kennedy and Johnson won the election on November 8, 1960, defeating incumbent Vice President and Republican nominee Richard Nixon, who would later go on to be the 37th President of the United States.  Kennedy and Johnson were sworn in as 35th President and 37th Vice President of the United States on January 20, 1961 respectively.  Kennedy would serve as President of the United States until his death in November 1963.

Zeynel Abidin Erdem: Dr. Zeynel Abidin Erdem (February 15, 1944, Mardin) is a Turkish business tycoon and the honorary consul of the Kingdom of Spain to the Marmara Region of Turkey and the honorary consul of the Republic of Sudan to the Republic of Turkey.  He was born on the 15th of February 1944 in Savur, Mardin, Turkey.  After his graduation from Faculty of Chemistry of Yıldız Technical University, Istanbul, he completed the doctorate program of Faculty of Management of Istanbul University.  He worked as an assistant in the Chair of Industrial Inorganic Chemistry between 1973 and 1976.  He was the president of the Istanbul Chamber of Chemical Engineers between 1972 and 1974 and the president of Kimsan Labor Union in 1973.

Supporting paragraphs: Honolulu House James Buchanan
Answer: James Buchanan Jr.