CREATE TABLE table_63894 ("Actor" CLOB, "Character" CLOB, "Soap Opera" CLOB, "Years" CLOB, "Duration" CLOB)

what is the soap opera when the actor is dave duffy?
SELECT "Soap Opera" FROM table_63894 WHERE "Actor" = 'dave duffy'
SELECT "Soap Opera" FROM "table_63894" WHERE "Actor" = 'dave duffy'