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_21 (height VARCHAR, name VARCHAR, spike VARCHAR, block VARCHAR)

### Question ###
What is the total number of Height(s), when Spike is less than 352, when Block is greater than 300, and when Name is Pablo Meana?

### Accurate SQL ###

SELECT COUNT(height) FROM table_name_21 WHERE spike < 352 AND block > 300 AND name = "pablo meana"