CREATE TABLE table_12105 ("Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Winning constructor" CLOB, "Report" CLOB)

What date was the Tigullio Circuit?
SELECT "Date" FROM table_12105 WHERE "Circuit" = 'tigullio'
SELECT "Date" FROM "table_12105" WHERE "Circuit" = 'tigullio'