context: Helsinki-Malmi Airport (often briefly Malmi Airport,;) is an airport in the Malmi district in northeastern Helsinki, about ten kilometers northeast of downtown Helsinki. The airport, which was completed in 1936, was Helsinki's main airport until 1952, with the exception of 1944-1946, when the airport was under the control of the Supervisory Commission. Hyvinkää Airport was the main airport at that time. Until 1946, the Helsinki-Malmi Airport area belonged to the rural municipality of Helsinki and then to the city of Helsinki.
question: When was the Malmi field completed?
answers.text: 1936