sentences:  During the 1988 Summer Olympics held in Seoul, eight soccer games took place at the Gudeok stadium including all three of South Korea's matches and one semi-final match.180 players accompanied by 72 officials from nine countries competed for eleven days from September 17 through September 27, attracting a total of 146,320 spectators or 18,290 on average per day.A total of 675 million won was spent on the stadium before the tournament to improve the electronic scoreboard and other facilities.