CREATE TABLE table_62311 ("Year" FLOAT, "Award Ceremony" CLOB, "Category" CLOB, "Nominee" CLOB, "Result" CLOB)

How many times is the award ceremony laurence olivier award, result is won and the nominee is imelda staunton?
SELECT COUNT("Year") FROM table_62311 WHERE "Award Ceremony" = 'laurence olivier award' AND "Result" = 'won' AND "Nominee" = 'imelda staunton'
SELECT COUNT("Year") FROM "table_62311" WHERE "Award Ceremony" = 'laurence olivier award' AND "Nominee" = 'imelda staunton' AND "Result" = 'won'