Table:
text: WPAR
Full power translators
Full power translators
Call_sign Frequency_MHz City_of_license ERP_W Class_ FCC_info
WJYA 89.3 Emporia, Virginia 2000 A FCC
WPVA 90.1 Waynesboro, Virginia 2500 B1 FCC
WOKG 90.3 Galax, Virginia 2700 C3 FCC
WRXT 90.3 Roanoke, Virginia 5500 C2 FCC
WPIM 90.5 Martinsville, Virginia 4000 A FCC
WOKD-FM 91.1 Danville, Virginia 18000 C2 FCC
WPIB 91.1 Bluefield, West Virginia 12000 C1 FCC
WPIN-FM 91.5 Dublin, Virginia 85 A FCC

Question: If the call sign is wpib, what is the lowest ERP W in WPAR's full power translators?

Question: Which class of callsign is used among WPAR's full power translators?

Question: The frequency 89.3 belongs to which class among the WPAR of full-power translators?