Question: What is the total of roles that George Olmi plays in Savoy & Casino Theatre 1888?
Schema: create table table_148386_2 (savoy_theatre_1888 varchar, casino_theatre_1888 varchar, PRIMARY KEY (savoy_theatre_1888))
SQL: select count(savoy_theatre_1888) from table_148386_2 where casino_theatre_1888 = "george olmi"