user: Question: How many villians were in No. 25?
Columns: ['No.', '#', 'Title', 'Director', 'Writer', 'US air date', 'Storyteller', 'Villains']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [14.0, 1.0, '"The Tale of the Final Wish"', 'D. J. MacHale', 'Chloe Brown', 'June 19, 1993', 'Kristen', 'The Sandman']
SQL:

assistant: SELECT COUNT("Villains") FROM "Table" WHERE "No." = 25.0;