CREATE TABLE table_name_4 (original_italian_production VARCHAR, first_us_national_tour VARCHAR)

Which Original Italian production has a First US National Tour of joanna glushak?
SELECT original_italian_production FROM table_name_4 WHERE first_us_national_tour = "joanna glushak"
SELECT "original_italian_production" FROM "table_name_4" WHERE "first_us_national_tour" = "joanna glushak"