Table: real_maryland_f_c
Columns: year
division
league
regular_season
playoffs
open_cup

Question: What is the highest Division when the playoffs were the quarter finals, with a Regular Season of 5th?
SQL: SELECT MAX("division") FROM real_maryland_f_c WHERE "playoffs" = 'quarter finals' AND "regular_season" = '5th'

Question: What is the year when they did not qualify for the playoff and the Regular Season shows as 10th?
SQL: SELECT COUNT("year") FROM real_maryland_f_c WHERE "playoffs" = 'did not qualify' AND "regular_season" = '10th'

Question: What shows for Playoffs when the Open Cup shows as did not qualify, and a Regular Season was 3rd, south atlantic?
SQL: SELECT "playoffs" FROM real_maryland_f_c WHERE "open_cup" = 'did not qualify' AND "regular_season" = '3rd, south atlantic'