These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
sssd-0_1_0-5_20090309git691c9b3_fc10:HEAD:sssd-0.1.0-5.20090309git691c9b3.fc10.src.rpm:1236618353 sssd-1_0_2-1_fc13:F-12:sssd-1.0.2-1.fc13.src.rpm:1263489014