CREATE TABLE table_63928 ("Call sign" TEXT, "Broadcast channel" FLOAT, "Digital PSIP" FLOAT, "Cable channel" FLOAT, "Network" TEXT)

What is the lowest Digital PSIP for channels over 29 with callsign CFTU-DT?
SELECT MIN("Digital PSIP") FROM table_63928 WHERE "Call sign" = 'cftu-dt' AND "Broadcast channel" > '29'
SELECT MIN("Digital PSIP") FROM "table_63928" WHERE "Broadcast channel" > '29' AND "Call sign" = 'cftu-dt'