user: Question: What number from the total number of episodes is the episode written by Julian Unthank?
Columns: ['Total#', 'Series#', 'Title', 'Writer', 'Director', 'Original air date']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [14.0, 1.0, '" Sister Hood "', 'Dominic Minghella', 'Ciaran Donnelly', '6October2007 , 7.30–8.15pm']
SQL:

assistant: SELECT "Series#" FROM "Table" WHERE "Writer" = 'Julian Unthank';