CREATE TABLE table_62803 ("Time" TEXT, "Show Name" TEXT, "Local/Networked" TEXT, "Ad Freq" TEXT, "News Freq" TEXT)

Which time has a news frequency of 1 hour and show name of Best Mix Overnight?
SELECT "Time" FROM table_62803 WHERE "News Freq" = '1 hour' AND "Show Name" = 'best mix overnight'
SELECT "Time" FROM "table_62803" WHERE "News Freq" = '1 hour' AND "Show Name" = 'best mix overnight'