user: Question: In how many locations was the game against Barcelona Dragons played?
Columns: ['Week', 'Date', 'Opponent', 'Final score', 'Team record', 'Game site', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Saturday, March 23', 'Raleigh–Durham Skyhawks', 'W 9–3', '1–0', 'Hughes Stadium', 15126.0]
SQL:

assistant: SELECT COUNT("Game site") FROM "Table" WHERE "Opponent" = 'Barcelona Dragons';