user: Question: How many series numbers belong to the episode "Vexation of Spirit"? 
Columns: ['Series #', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, '"Red Door"', 'John Fawcett', 'Alan DiFiore', 'March5,2010', 101.0]
SQL:

assistant: SELECT COUNT("Series #") FROM "Table" WHERE "Title" = '"Vexation of Spirit"';