CREATE TABLE table_17643 ("Branding" CLOB, "Callsign" CLOB, "Ch. #" CLOB, "Power  ( kW ) " CLOB, "Station Type" CLOB, "Coverage  ( Transmitter site ) " CLOB)

What is the power when ch# is tv-26 and dyfj-tv?
SELECT "Power (kW)" FROM table_17643 WHERE "Ch. #" = 'TV-26' AND "Callsign" = 'DYFJ-TV'
SELECT "Power (kW)" FROM "table_17643" WHERE "Callsign" = 'DYFJ-TV' AND "Ch. #" = 'TV-26'