CREATE TABLE table_204_628 (id NUMBER, "trial number" CLOB, "date" CLOB, "name of trial" CLOB, "celebrity/ies taking part" CLOB, "winner/number of stars" CLOB, "notes" CLOB)

who won the trial before phina ?
SELECT "winner/number of stars" FROM table_204_628 WHERE "date" < (SELECT "date" FROM table_204_628 WHERE "winner/number of stars" = 'phina') ORDER BY "date" DESC LIMIT 1
SELECT "winner/number of stars" FROM "table_204_628" WHERE "date" < (SELECT "date" FROM "table_204_628" WHERE "winner/number of stars" = 'phina') ORDER BY "date" DESC FETCH FIRST 1 ROWS ONLY