Given the task definition and input, reply with output. In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Passage: The 2016 NFL Draft was the 81st annual meeting of National Football League (NFL) franchises to select newly eligible American football players. As in 2015, the draft took place in Chicago, Illinois at the Auditorium Theatre and Grant Park. The draft began on Thursday, April 28 with the first round, and ended on Saturday, April 30. The Tennessee Titans, the team with the fewest wins in the NFL for the 2015 season, traded the right to the top pick in the draft to the Los Angeles Rams, the first time the top pick was traded before the draft since 2001 when the San Diego Chargers traded their first pick to the Atlanta Falcons. Ohio State became the second school to have three players drafted in the top ten and to have five players drafted in the first round.
Link Information: Inspired by the Richardsonian Romanesque Style of architect Henry Hobson Richardson, the building was designed by Dankmar Adler and Louis Sullivan and completed in 1889. Question: What year was the theatre that held the 2016 NFL Draft built?
Answer: 1889