Table: derby_del_sole_2
Columns: season
match
result
league
date

Question: What is the league on 5 October 1997?
SQL: SELECT "league" FROM derby_del_sole_2 WHERE "date" = '5 october 1997'

Question: Which season was on 30 October 1977?
SQL: SELECT "season" FROM derby_del_sole_2 WHERE "date" = '30 october 1977'

Question: What season had the Roma-Napoli match on 12 September 1993?
SQL: SELECT "season" FROM derby_del_sole_2 WHERE "match" = 'roma-napoli' AND "date" = '12 september 1993'