CREATE TABLE table_name_13 (runs VARCHAR2, opponent VARCHAR2, season VARCHAR2)

How many runs did they get against new south wales in 2002/03?
SELECT runs FROM table_name_13 WHERE opponent = "new south wales" AND season = "2002/03"
SELECT "runs" FROM "table_name_13" WHERE "2002/03" = "season" AND "new south wales" = "opponent"