user: Question: What is the Magnitude on the Date May 28, 2004?
Columns: ['Date', 'Time', 'Epicenter', 'Magnitude', 'Fatalities', 'Name']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Apr 16, 2013', '10:44:13', 'Saravan, Iran', '7.8', '1 (Non-residential area, due to landslide)', '2013 Sistan and Baluchestan earthquake']
SQL:

assistant: SELECT "Magnitude" FROM "Table" WHERE "Date" = 'May 28, 2004';