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_name_50 ( losses INTEGER, year VARCHAR, result VARCHAR, wins VARCHAR )

### Question ###
What is the total of Losses with a Result of runner-up, Wins of 1, and a Year smaller than 2006?

### Accurate SQL ###

SELECT SUM(losses) FROM table_name_50 WHERE result = "runner-up" AND wins = 1 AND year < 2006