Table: rangers_season_1990
Columns: date
opponent
venue
result
attendance
scorers

Question: Who was the scorer when the opponent was aberdeen?
SQL: SELECT "scorers" FROM rangers_season_1990 WHERE "opponent" = 'aberdeen'

Question: When was the scorer mccoist (3), johnston, butcher, steven?
SQL: SELECT "date" FROM rangers_season_1990 WHERE "scorers" = 'mccoist (3), johnston, butcher, steven'