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_46 (z___p__ INTEGER, element VARCHAR, n___n__ VARCHAR)

### Question ###
What is the highest Z (p) when arsenic is the element, and the N (n) is more than 42

### Accurate SQL ###

SELECT MAX(z___p__) FROM table_name_46 WHERE element = "arsenic" AND n___n__ > 42