CREATE TABLE table_36526 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

Record of 11 12 involved what average attendance figures?
SELECT AVG("Attendance") FROM table_36526 WHERE "Record" = '11–12'
SELECT AVG("Attendance") FROM "table_36526" WHERE "Record" = '11–12'