user: ### NOW ANSWER:
Question: How many editions did Club Q-BASE concept have ? 
Columns: ['Concept', 'Location', 'First year', 'Last year', 'Number of editions']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ["'91-'92", 'Hemkade 48 Zaandam', 2000.0, 2001.0, 5.0]
SQL:

assistant: SELECT COUNT("Number of editions") FROM "Table" WHERE "Concept" = 'Club Q-BASE';