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_28 (affiliation VARCHAR, mls_team VARCHAR, pick__number VARCHAR)

### Question ###
Tell me the affiliation for mls team of metrostars and pick number of 26

### Accurate SQL ###

SELECT affiliation FROM table_name_28 WHERE mls_team = "metrostars" AND pick__number = 26