CREATE TABLE table_name_58 (mdt___6_utc_ VARCHAR, edt___4_utc_ VARCHAR, pdt___7_utc_ VARCHAR)
What time is MDT when EDT is set and PDT is 6:00 a.m.?
SELECT mdt___6_utc_ FROM table_name_58 WHERE edt___4_utc_ = "set" AND pdt___7_utc_ = "6:00 a.m."