A local baseball stadium has a total of 2,497 seats, with 210 seats reserved for season ticket holders.
If x represents the number of non-reserved seat tickets sold for the upcoming game, which of the following equations can be used to find the number of seats available for the upcoming game?
A. y = 2,287 - 210x
B. y = 2,287 - x
C. y = 2,497 - x
D. y = 2,497 - 210x