CREATE TABLE table_75360 ("Call sign" CLOB, "Frequency MHz" FLOAT, "City of license" CLOB, "ERP W" FLOAT, "Class" CLOB, "FCC info" CLOB)

Name the average ERP W and call sign of w237br
SELECT AVG("ERP W") FROM table_75360 WHERE "Call sign" = 'w237br'
SELECT AVG("ERP W") FROM "table_75360" WHERE "Call sign" = 'w237br'