CREATE TABLE table_31142 ("Season" FLOAT, "Winner" TEXT, "Runner-up" TEXT, "Third place" TEXT, "Fourth place" TEXT)

How many teams came in fourth when Otsuka Pharmaceuticals won?
SELECT COUNT("Fourth place") FROM table_31142 WHERE "Winner" = 'Otsuka Pharmaceuticals'
SELECT COUNT("Fourth place") FROM "table_31142" WHERE "Winner" = 'Otsuka Pharmaceuticals'