user: Question: What's the Issue Date for an Eric Prydz song with a No Available Download information?
Columns: ['Week', 'Issue Date', 'Artist', 'Single', 'Download', 'Title']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'January 8', 'Eric Prydz', '" Call on Me "', 'No Available', 'No Available']
SQL:

assistant: SELECT "Issue Date" FROM "Table" WHERE "Download" = 'No Available' AND "Artist" = 'Eric Prydz';