CREATE TABLE table_14521 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

On games against the Devil Rays and a score of 2 - 1 (10), what was the attendance?
SELECT AVG("Attendance") FROM table_14521 WHERE "Opponent" = 'devil rays' AND "Score" = '2 - 1 (10)'
SELECT AVG("Attendance") FROM "table_14521" WHERE "Opponent" = 'devil rays' AND "Score" = '2 - 1 (10)'