user: Question: What is the number of tickets sold and available for the concert at Long Beach Arena?
Columns: ['Date', 'Show', 'Venue', 'City', 'Tickets sold / available', 'Gross revenue']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['October 15–16, 2001', 'U2', 'United Center', 'Chicago', '39,368 / 39,368 (100%)', '$3,206,600']
SQL:

assistant: SELECT "Tickets sold / available" FROM "Table" WHERE "Venue" = 'Long Beach Arena';