ugly equal sign

[BramGruneir]

SELECT
  this_.studentid AS studenti1_26_0_,
  this_.name AS name2_26_0_,
  this_.address_city AS address_3_26_0_,
  this_.address_state AS address_4_26_0_,
  this_.preferredcoursecode AS preferre5_26_0_
FROM
  student AS this_
WHERE
  EXISTS(
    SELECT
      enrolment_.studentid AS y0_
    FROM
      enrolment AS enrolment_
    WHERE
      enrolment_.year
      = (
          SELECT
            max(maxstudentenrolment_.year) AS y0_
          FROM
            enrolment AS maxstudentenrolment_
          WHERE
            this_.preferredcoursecode = maxstudentenrolment_.coursecode
        )
  );