CREATE TABLE table_204_310 (id NUMBER, "month" CLOB, "year" NUMBER, "player" CLOB, "county" CLOB, "club" CLOB, "position" NUMBER)

eoin cadogan won in may 2009 , who won the month before ?
SELECT "player" FROM table_204_310 WHERE "year" = 2009 AND "month" = 5 - 1
SELECT "player" FROM "table_204_310" WHERE "month" = 4 AND "year" = 2009