CREATE TABLE table_71403 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Tier" CLOB, "Partner" CLOB, "Opponents in the final" CLOB, "Score" CLOB)

Which date has the tier of Itf $10k?
SELECT "Date" FROM table_71403 WHERE "Tier" = 'itf $10k'
SELECT "Date" FROM "table_71403" WHERE "Tier" = 'itf $10k'