Table schema:
CREATE TABLE table_name_61 (opponents VARCHAR, year VARCHAR, outcome VARCHAR, surface VARCHAR, partner VARCHAR)

Question: Who were the opponents on grass when playing with Mark Woodforde, and the outcome of winner, and a year greater than 1996?
SQL: SELECT opponents FROM table_name_61 WHERE surface = "grass" AND partner = "mark woodforde" AND outcome = "winner" AND year > 1996