CREATE TABLE table_72500 ("Outcome" CLOB, "Year" CLOB, "Location" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

How many partners were there in 1988?
SELECT COUNT("Partner") FROM table_72500 WHERE "Year" = '1988'
SELECT COUNT("Partner") FROM "table_72500" WHERE "Year" = '1988'