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_name_8 ( capacity VARCHAR, venue VARCHAR, established VARCHAR )

### Question ###
What is the capacity at the nop aquatic centre, established after 1929?

### Accurate SQL ###

SELECT COUNT(capacity) FROM table_name_8 WHERE venue = "nop aquatic centre" AND established > 1929