CREATE TABLE table_38719 ("Route" TEXT, "Terminus" TEXT, "Operated by" TEXT, "Corridors served" TEXT, "Total trips  ( AM/PM ) " TEXT, "Operating since" TEXT)

What trips are operated by Atlantic coast charters?
SELECT "Total trips (AM/PM)" FROM table_38719 WHERE "Operated by" = 'atlantic coast charters'
SELECT "Total trips (AM/PM)" FROM "table_38719" WHERE "Operated by" = 'atlantic coast charters'