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_203_631 ( id number, "year" number, "name of show" text, "episodes" text, "other guests" text, "winner(s)" text )

### Question ###
how many episodes was charmaine sheh on in the variety show super trio 2 : movie buff champions

### Accurate SQL ###

SELECT "episodes" FROM table_203_631 WHERE "name of show" = 'super trio series 2: movie buff championship'