CREATE TABLE table_21750 ("Branding" TEXT, "Callsign" TEXT, "Frequency" TEXT, "Power  ( kW ) " TEXT, "Location" TEXT)

What is the call sign for the station that uses the branding, mom's radio 101.5 tacloban?
SELECT "Callsign" FROM table_21750 WHERE "Branding" = 'Mom''s Radio 101.5 Tacloban'
SELECT "Callsign" FROM "table_21750" WHERE "Branding" = 'Mom\'s Radio 101.5 Tacloban'