CREATE TABLE table_26710 ("Legion no and title" TEXT, "Main legion base" TEXT, "Emblem" TEXT, "Date founded/ founder" TEXT, "Date disband" TEXT, "Castra legionaria  ( legion bases )  * = main base. Start date 31 BC if unspecified" TEXT, "Notes" TEXT)

What are the notes during 57 bc caesar?
SELECT "Notes" FROM table_26710 WHERE "Date founded/ founder" = '57 BC Caesar'
SELECT "Notes" FROM "table_26710" WHERE "Date founded/ founder" = '57 BC Caesar'