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_30168 ( "Round" text, "Main date" text, "Number of fixtures" real, "Clubs" text, "New entries this round" text, "Prize money" text, "Player of the Round" text )

### Question ###
How many times is the new entries this round is none?

### Accurate SQL ###

SELECT COUNT("Number of fixtures") FROM table_30168 WHERE "New entries this round" = 'none'