Table: sweeney_todd_awards
Columns: year
award_ceremony
category
nominee
result

Question: How many times is the award ceremony laurence olivier award, result is won and the nominee is imelda staunton?
SQL: SELECT COUNT("year") FROM sweeney_todd_awards WHERE "award_ceremony" = 'laurence olivier award' AND "result" = 'won' AND "nominee" = 'imelda staunton'

Question: what is the result when the category is best sound design?
SQL: SELECT "result" FROM sweeney_todd_awards WHERE "category" = 'best sound design'