Table: liga_nacional_ascenso
Columns: club
city
stadium
2009_season
group

Question: Which City has a Stadium of estadio san cristóbal?
SQL: SELECT "city" FROM liga_nacional_ascenso WHERE "stadium" = 'estadio san cristóbal'

Question: When in 2009 season has a Group of group b, and cancha del mystic with a Club of el tecal?
SQL: SELECT "2009_season" FROM liga_nacional_ascenso WHERE "group" = 'group b' AND "stadium" = 'cancha del mystic' AND "club" = 'el tecal'

Question: WHich Club has a City of colón?
SQL: SELECT "club" FROM liga_nacional_ascenso WHERE "city" = 'colón'

Question: WHat kind of 2009 season has a City of panama city, and a Group of group b?
SQL: SELECT "2009_season" FROM liga_nacional_ascenso WHERE "city" = 'panama city' AND "group" = 'group b'

Question: Which City has a Club of suntracs f.c.?
SQL: SELECT "city" FROM liga_nacional_ascenso WHERE "club" = 'suntracs f.c.'

Question: Which Stadium has a City of panama city, and a Group of group a, and a 2009 season of 1st in lna (champion)?
SQL: SELECT "stadium" FROM liga_nacional_ascenso WHERE "city" = 'panama city' AND "group" = 'group a' AND "2009_season" = '1st in lna (champion)'