CREATE TABLE table_22066 ("Story No." CLOB, "Episode" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "UK viewers  ( million ) " CLOB, "AI  ( % ) " FLOAT, "Original air date" CLOB, "Production code" CLOB)

Name the least ai %
SELECT MIN("AI (%)") FROM table_22066
SELECT MIN("AI (%)") FROM "table_22066"