user: Question: What was the topic of the show on March 15, 2008?
Columns: ['Date', 'Topic of the Show', 'Song', 'Original Artist', 'Place/Percentage']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['March 8, 2008', 'Top 15 Show: Jetzt oder nie', '" Home "', 'Michael Bublé', '8,55% (2/15)']
SQL:

assistant: SELECT "Topic of the Show" FROM "Table" WHERE "Date" = 'March 15, 2008';