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_5293 ( "Season" text, "Champion" text, "Constructor" text, "Teams' Champion" text, "Secondary Class" text, "Nations Cup" text, "Winter Series Champion" text )

### Question ###
What team's champion has a secondary class of Matt Rao for a Winter Series Champion of Not Held?

### Accurate SQL ###

SELECT "Teams' Champion" FROM table_5293 WHERE "Winter Series Champion" = 'not held' AND "Secondary Class" = 'matt rao'