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_30955 ( "Episode" text, "First broadcast" text, "Andrew and Georgies guest" text, "Jamie and Johns guest" text, "Scores" text )

### Question ###
what was the size when tom daley appeared

### Accurate SQL ###

SELECT "Episode" FROM table_30955 WHERE "Jamie and Johns guest" = 'Tom Daley'