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_79484 ( "Nation" text, "Gold" real, "Silver" real, "Bronze" real, "Total" real )

### Question ###
What's the sum of Gold with a Bronze that's larger than 15, Silver that's smaller than 197, the Nation of Saint Lucia, and has a Total that is larger than 50?

### Accurate SQL ###

SELECT SUM("Gold") FROM table_79484 WHERE "Bronze" > '15' AND "Silver" < '197' AND "Nation" = 'saint lucia' AND "Total" > '50'