user: Question: What order was the performance of a Richard Marx song?
Columns: ['Week', 'Theme', 'Artist', 'Order sung', 'Status']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Top 24 (12 Men)', "Contestant's Choice", 'Richard Marx', '3', 'Advanced']
SQL:

assistant: SELECT "Order sung" FROM "Table" WHERE "Artist" = 'Richard Marx';