Table: sweeney_todd_awards_2
Columns: year
award_ceremony
category
nominee
result

Question: What are the years that had someone nominated for best supporting actress?
SQL: SELECT COUNT("year") FROM sweeney_todd_awards_2 WHERE "result" = 'nominated' AND "category" = 'best supporting actress'

Question: What's the nominee for best supporting actress?
SQL: SELECT "nominee" FROM sweeney_todd_awards_2 WHERE "category" = 'best supporting actress'