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_95 (final_position___tour VARCHAR, year VARCHAR, final_position___giro VARCHAR, rider VARCHAR)

### Question ###
What is the number of final position-tours Mariano Piccoli, who has more than 20 final position-giros, before 1999 has?

### Accurate SQL ###

SELECT COUNT(final_position___tour) FROM table_name_95 WHERE final_position___giro > 20 AND rider = "mariano piccoli" AND year < 1999