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_769 ( id number, "full name" text, "nickname" text, "gender" text, "weight at birth" text, "meaning" text )

### Question ###
how many girls were heavier at birth than chimaijem otto ?

### Accurate SQL ###

SELECT COUNT(*) FROM table_204_769 WHERE "gender" = 'girl' AND "weight at birth" > (SELECT "weight at birth" FROM table_204_769 WHERE "full name" = 'chimaijem otto')