CREATE TABLE table_63929 ("Call sign" CLOB, "Broadcast channel" FLOAT, "Digital PSIP" FLOAT, "Cable channel" FLOAT, "Network" CLOB)

What is the Digital PSIP for channels over 15 with callsign CFTU-DT?
SELECT "Digital PSIP" FROM table_63929 WHERE "Broadcast channel" > '15' AND "Call sign" = 'cftu-dt'
SELECT "Digital PSIP" FROM "table_63929" WHERE "Broadcast channel" > '15' AND "Call sign" = 'cftu-dt'