CREATE TABLE table_63404 ("Callsign" CLOB, "Network" CLOB, "City of License" CLOB, "D ERP" CLOB, "Owner / Operator" CLOB)

What's the network that has a callsign of XHTM and a D ERP of ?
SELECT "Network" FROM table_63404 WHERE "D ERP" = '•' AND "Callsign" = 'xhtm'
SELECT "Network" FROM "table_63404" WHERE "Callsign" = 'xhtm' AND "D ERP" = '•'