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_48 ( tries_against VARCHAR, team VARCHAR, tries_for VARCHAR )

### Question ###
How many Tries against have a Team of dinamo bucure ti, and Tries for smaller than 19?

### Accurate SQL ###

SELECT COUNT(tries_against) FROM table_name_48 WHERE team = "dinamo bucureşti" AND tries_for < 19