CREATE TABLE table_41094 ("Ship" TEXT, "13.5-inch/1400lb" FLOAT, "13.5-inch/1250lb" FLOAT, "12-inch" FLOAT, "Total" FLOAT)

What is the lowest 12-inch when the 13.5-inch/1250lb was 0, and the ship is seydlitz?
SELECT MIN("12-inch") FROM table_41094 WHERE "13.5-inch/1250lb" = '0' AND "Ship" = 'seydlitz'
SELECT MIN("12-inch") FROM "table_41094" WHERE "13.5-inch/1250lb" = '0' AND "Ship" = 'seydlitz'