user: Question: what is the No in series when Rob Wright & Debra J. Fisher & Erica Messer were the writers?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [135.0, 1.0, '"A Call to Arms"', 'James L. Conway', 'Brad Kern', 'September12,2004', 4301135.0, '5.5']
SQL:

assistant: SELECT "No. in series" FROM "Table" WHERE "Written by" = 'Rob Wright & Debra J. Fisher & Erica Messer';