CREATE TABLE table_56311 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

What date did Paul Goldstein play the final?
SELECT "Date" FROM table_56311 WHERE "Opponent in the final" = 'paul goldstein'
SELECT "Date" FROM "table_56311" WHERE "Opponent in the final" = 'paul goldstein'