CREATE TABLE table_60491 ("Name" TEXT, "Pos." TEXT, "Height" TEXT, "Weight" TEXT, "Date of Birth" TEXT, "Club" TEXT)

What is the Date of Birth of the CB Player with a Height of m (ft 4in)?
SELECT "Date of Birth" FROM table_60491 WHERE "Pos." = 'cb' AND "Height" = 'm (ft 4in)'
SELECT "Date of Birth" FROM "table_60491" WHERE "Height" = 'm (ft 4in)' AND "Pos." = 'cb'