user: Question: What was the series number of the episode directed by Rob Bailey?
Columns: ['Series #', 'Season #', 'Title', 'Story by', 'Teleplay by', 'Directed by', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [14.0, 1.0, '" Ebb Tide "', 'David Simon & Ed Burns', 'David Simon', 'Ed Bianchi', 'June1,2003']
SQL:

assistant: SELECT "Series #" FROM "Table" WHERE "Directed by" = 'Rob Bailey';