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_14219514_2 (home__1st_leg_ VARCHAR)

### Question ###
When altos hornos zapla is the  home (1st leg) what is overall amount of 1st leg?

### Accurate SQL ###

SELECT COUNT(1 AS st_leg) FROM table_14219514_2 WHERE home__1st_leg_ = "Altos Hornos Zapla"