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_6 ( grantee VARCHAR, date VARCHAR, concession VARCHAR )

### Question ###
Tell me the grantee for las pulgas in 1795

### Accurate SQL ###

SELECT grantee FROM table_name_6 WHERE date = 1795 AND concession = "las pulgas"