Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_45142 ( "Episode number Production number" text, "Title" text, "Sydney" real, "Melbourne" real, "Brisbane" real, "Adelaide" real, "Perth" real, "TOTAL" real, "WEEKLY RANK" real, "NIGHTLY RANK" real )

### Question ###
What is the sum of the values for Melbourne, when Episode Number Production Number is 19 2-06, and when Sydney is less than 389,000?

### Accurate SQL ###

SELECT SUM("Melbourne") FROM table_45142 WHERE "Episode number Production number" = '19 2-06' AND "Sydney" < '389,000'