user: Question: What episode in the series had 5.24 million viewers?
Columns: ['Episode #', 'Series #', 'Title', 'Director', 'Writer', 'Original airdate', 'Viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [530.0, 3.0, '"Tough, Love"', 'Sean Glynn Category:Articles with hCards', 'Martha Hillier Category:Articles with hCards', '2 Cannot handle non-empty timestamp argument! 2010', '5.93']
SQL:

assistant: SELECT "Series #" FROM "Table" WHERE "Viewers (millions)" = '5.24';