CREATE TABLE table_12321 ("Date" TEXT, "Opponents" TEXT, "H / A" TEXT, "Result F \\u2013 A" TEXT, "Attendance" FLOAT, "League position" TEXT)

What is the smallest Attendance with H / A of h, and Opponents of nottingham forest?
SELECT MIN("Attendance") FROM table_12321 WHERE "H / A" = 'h' AND "Opponents" = 'nottingham forest'
SELECT MIN("Attendance") FROM "table_12321" WHERE "H / A" = 'h' AND "Opponents" = 'nottingham forest'