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_42424 ( "Year" real, "Champions" text, "Result" text, "Runners-up" text, "Playoffs MVP" text )

### Question ###
Who won after 1999 with changwon lg sakers as runners-up?

### Accurate SQL ###

SELECT "Champions" FROM table_42424 WHERE "Year" > '1999' AND "Runners-up" = 'changwon lg sakers'