CREATE TABLE table_26678 ("Region/Country" CLOB, "Local name" CLOB, "Main presenter" CLOB, "Network" CLOB, "Year premiered" FLOAT)

Who is every main presenter for the year 2011?
SELECT "Main presenter" FROM table_26678 WHERE "Year premiered" = '2011'
SELECT "Main presenter" FROM "table_26678" WHERE "Year premiered" = '2011'