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_17814838_1 ( new_entries_this_round VARCHAR, round VARCHAR )

### Question ###
How many categories of new entries this round are there for the fourth round proper?

### Accurate SQL ###

SELECT COUNT(new_entries_this_round) FROM table_17814838_1 WHERE round = "Fourth round Proper"