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_204_100 ( id number, "date" text, "name of ship" text, "nationality" text, "tonnage" number, "fate" text )

### Question ###
how many ships had more then 7,000 in tonnage ?

### Accurate SQL ###

SELECT COUNT("name of ship") FROM table_204_100 WHERE "tonnage" > 7000