CREATE TABLE table_203_60 (id DECIMAL, "outcome" TEXT, "no." DECIMAL, "date" TEXT, "championship" TEXT, "surface" TEXT, "opponent in the final" TEXT, "score in the final" TEXT)

which month were the most championships played ?
SELECT "date" FROM table_203_60 GROUP BY "date" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "date" FROM "table_203_60" GROUP BY "date" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1