Context: CREATE TABLE table_name_21 (revenue__ VARCHAR, operating_income__$m_ VARCHAR, country VARCHAR, team VARCHAR)
Question: Name the total number of revenue for italy with team of internazionale with operating income less than 27
Answer: SELECT COUNT(revenue__) AS $m_ FROM table_name_21 WHERE country = "italy" AND team = "internazionale" AND operating_income__$m_ < 27