CREATE TABLE table_name_48 (date VARCHAR, outcome VARCHAR, opponents VARCHAR)

What is Date, when Outcome is 'Winner', and when Opponents is 'Paul Haarhuis Sandon Stolle'?
SELECT date FROM table_name_48 WHERE outcome = "winner" AND opponents = "paul haarhuis sandon stolle"
SELECT "date" FROM "table_name_48" WHERE "opponents" = "paul haarhuis sandon stolle" AND "outcome" = "winner"