Question: Democracy Day is possible federal holiday proposed by a politician that represents which US congressional district?

Context paragraphs:
Democracy Day (United States): Democracy Day is the tentative name of a possible federal holiday in the United States, proposed by Democratic Representative John Conyers of Michigan.

Open Our Democracy Act of 2017: The Open Our Democracy Act of 2017 (H.R. 2981 of the 115th congress) is a bill sponsored by Rep. John Delaney which would establish Election Day as a federal holiday, mandate all congressional primary elections to be open elections so all eligible voters can participate in them, and end gerrymandering by requiring independent commissions to draw the districts in each state.

Hoang Tu Duy: Hoàng Tứ Duy (chữ Hán: 黃四維 ; also known as Duy "Dan" Hoang) is a Vietnamese-born American democracy activist.  He is currently the spokesperson for Viet Tan, an unsanctioned political movement in Vietnam.  Before becoming a full-time democracy activist, he worked as an investment banker for over 10 years.  He has testified before US Congressional committees on human rights issues and written for the Wall Street Journal, Asia Times Online and leading Vietnamese-language publications.

John Conyers: John James Conyers Jr. (born May 16, 1929) is an American Democratic politician and the U.S. Representative for  's 13th congressional district .  The district includes the western half of Detroit, as well as River Rouge, Ecorse, Redford Township, Dearborn Heights, Highland Park, Westland, Garden City, Inkster, Wayne, and Romulus.  As the longest-serving active Representative, he is the Dean of the House of Representatives.

Public holidays in the United States: Public holidays in the United States are largely controlled by private sector employers, who employ approximately 62% of the total U.S. population who are given paid time off.  A typical work week is generally 40 hours a week with a Saturday-Sunday weekend.  Public holidays with paid time off is generally defined to occur on a day that is within the employee's work week.  When a holiday occurs on Saturday or Sunday, that holiday is shifted to either Friday or Monday.  Most employers follow a holiday schedule similar to the federal holidays of the United States, with exceptions or additions.  The federal holiday schedule mainly benefits employees of government and government regulated businesses.  However, this sector only comprises 15% of the working population.  At the discretion of the employer, other non-federal holidays such as Christmas Eve and the Day after Thanksgiving are common additions to the list of paid holidays while Columbus Day and Veterans Day are common omissions.  Besides paid holidays are festival and food holidays that also have wide acceptance based on sales of goods and services that are typically associated with that holiday.  Halloween and Valentine's Day are such examples of widely celebrated uncompensated holidays.

Federal holidays in the United States: In the United States, a federal holiday is an authorized holiday which has been recognized by the US government.  Every year on a US federal holiday, non-essential federal government offices are closed, and every federal employee is paid for the holiday.  Private-sector employees required to work on a legal holiday may receive holiday pay in addition to their ordinary wages.

Missouri's 9th congressional district: Missouri's 9th congressional district was a US congressional district, dissolved in 2013, that last encompassed rural Northeast Missouri, the area known as "Little Dixie," along with the larger towns of Columbia, Fulton, Kirksville and Union.  Boone, Franklin, and a portion of St. Charles County comprise the highest voting centers of the mostly rural district.  It was last represented by Republican Blaine Luetkemeyer.

Indigenous Peoples' Day: Indigenous Peoples' Day (also known as Native American Day) is a holiday that celebrates the Indigenous peoples of North America.  It is celebrated in various localities in the United States.  It began as a counter-celebration to Columbus Day, promoting Native American culture and commemorating the history of Native American peoples.  The celebration began in Berkeley, California, through the International Indian Treaty Council, and Denver, Colorado, and now in Vermont, as a protest against Columbus Day.  The latter is observed as a federal holiday in the United States, but it is not observed as a state holiday in every state, and most retail enterprises stay open.  Indigenous Peoples' Day is usually held on the second Monday of October, coinciding with the federal observance of Columbus Day.  It is similar to Native American Day, observed in September in California and Tennessee, and the same day as Indigenous Peoples' Day in South Dakota.

Jim Tedisco: James Nicholas Tedisco (born July 15, 1950) is an American politician.  He is the New York State Senator representing 49th District, which includes parts of Saratoga, Schenectady and Herkimer Counties and all of Fulton and Hamilton Counties.  He served in the Assembly since 1983 and was the Assembly's Minority Leader from November 2005 until his resignation in April 2009.  He was the Republican nominee in a special election for the 20th US Congressional District to fill the seat vacated by Kirsten Gillibrand, following Gillibrand's appointment to the United States Senate.  On January 4, 2017 he was officially sworn into office to serve as the new State Senator for New York’s 49th State Senate District.

Democracy Day (Nigeria): Democracy Day is a public holiday in Nigeria.  It is held annually on May 29.  This public holiday commemorates the restoration of democracy in the Federal Republic of Nigeria, when the newly elected Olusegun Obasanjo took office as the President of Nigeria in May 1999 ending multiple decades of military rule that began in 1966 and had been interrupted only by a brief period of democracy from 1979 to 1983.

Supporting paragraphs: Democracy Day (United States) John Conyers
Answer: 13th