CREATE TABLE table_28557 ("Film Festival" CLOB, "Date of ceremony" CLOB, "Category" CLOB, "Participants/Recipients" CLOB, "Result" CLOB)

What Film Festival had participants/recipients of Isao Tomita?
SELECT "Film Festival" FROM table_28557 WHERE "Participants/Recipients" = 'Isao Tomita'
SELECT "Film Festival" FROM "table_28557" WHERE "Participants/Recipients" = 'Isao Tomita'