Question: What is the sum of revenue in Hong Kong with a rank greater than 42, less than $3.46 billion in assets, and greater than $0.17 billion in profits?
SQL: SELECT SUM(revenue__bn) AS $_ FROM table_name_98 WHERE assets__bn$_ < 3.46 AND headquarters = "hong kong" AND profit__bn$_ > 0.17 AND rank > 42