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_90 (publication_date VARCHAR, person_s_ VARCHAR, reported_price VARCHAR, publisher_s_ VARCHAR)

### Question ###
What was the publication date of the photos of Sean Preston Federline that cost $500,000 and were published by People?

### Accurate SQL ###

SELECT publication_date FROM table_name_90 WHERE reported_price = "$500,000" AND publisher_s_ = "people" AND person_s_ = "sean preston federline"