CREATE TABLE table_31066 ("Week of" CLOB, "Tournament" CLOB, "Champion" CLOB, "Runner-up" CLOB, "Semifinalists" CLOB, "Quarterfinalists" CLOB)

Who were the semifinalists when sammy giammalva was runner-up?
SELECT "Semifinalists" FROM table_31066 WHERE "Runner-up" = 'Sammy Giammalva'
SELECT "Semifinalists" FROM "table_31066" WHERE "Runner-up" = 'Sammy Giammalva'