CREATE TABLE table_204_621 (id NUMBER, "no." NUMBER, "date" CLOB, "tournament" CLOB, "winning score" CLOB, "margin\ of victory" CLOB, "runner ( s ) -up" CLOB)

don january won the tucson open invitational twice , in 1960 and which year ?
SELECT "date" FROM table_204_621 WHERE "tournament" = 'tucson open invitational' AND "date" <> 1960
SELECT "date" FROM "table_204_621" WHERE "date" <> 1960 AND "tournament" = 'tucson open invitational'