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_60412 ( "Year" real, "Name of Tournament" text, "Champions" text, "Runners-up" text, "Score" text )

### Question ###
What were the Runners-up prior to 1990 when Ivan Lendl was Champion in the Seiko Super Tennis Tournament?

### Accurate SQL ###

SELECT "Runners-up" FROM table_60412 WHERE "Champions" = 'ivan lendl' AND "Name of Tournament" = 'seiko super tennis' AND "Year" < '1990'