Information: - Chuncheon Station is a railway station on, and the eastern terminus of, the Gyeongchun Line. It was opened in 1939 as a regular train station and became a subway stop in 2010. - Sangbong Station is a station on the Seoul Subway Line 7. As of December 21, 2010, this station now has a dual transfer point with the GyeonguiJungang Line and Gyeongchun Line, with the platform of the aboveground station. - Toegyewon Station is a railway station on the Gyeongchun Line . - The Gyeongchun Line is a regional rail line between Seoul and Chuncheon operated by Korail. The name of the line is derived from Gyeong (meaning the capital, Seoul) and "Chuncheon". The line was reconstructed in a new alignment in its entirety in the 2000s. Rail service operates between Sangbong Station on the Jungang Line in eastern Seoul and Chuncheon Station as part of the Seoul Metropolitan Subway system since December 21, 2010. A class of regional rail service named ITX-Cheongchun began operations on February 28, 2012, linking Chuncheon to Cheongnyangni and Yongsan Stations. 'toegyewon station' is related to which object entity through the relation of 'date of official opening'? Choices: - 1939 - 2010 - 2012
Answer:
1939