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_63 (pick__number INTEGER, mls_team VARCHAR, affiliation VARCHAR)

### Question ###
Name the most pick number for real salt lake and affiliation of ucla los angeles storm

### Accurate SQL ###

SELECT MAX(pick__number) FROM table_name_63 WHERE mls_team = "real salt lake" AND affiliation = "ucla los angeles storm"