CREATE TABLE table_name_96 (opponents_in_final VARCHAR, partner VARCHAR, year VARCHAR)

What is Opponents in Final, when Partner is 'Jill Hetherington', and when Year is after 1988?
SELECT opponents_in_final FROM table_name_96 WHERE partner = "jill hetherington" AND year > 1988
SELECT "opponents_in_final" FROM "table_name_96" WHERE "jill hetherington" = "partner" AND "year" > 1988