CREATE TABLE table_22662 ("Doctor" CLOB, "Season" CLOB, "Story no." CLOB, "Serial" CLOB, "Number of episodes" CLOB, "Total footage remaining from missing episodes  ( mm:ss ) " CLOB, "Missing episodes with recovered footage" CLOB, "Country/Territory" CLOB, "Source" CLOB, "Format" CLOB, "Total footage  ( mm:ss ) " CLOB)

When a private individual is the source and 018 is the story number what is the total footage remaining from missing episodes (mm:ss)?
SELECT "Total footage remaining from missing episodes (mm:ss)" FROM table_22662 WHERE "Story no." = '018' AND "Source" = 'Private individual'
SELECT "Total footage remaining from missing episodes (mm:ss)" FROM "table_22662" WHERE "Source" = 'Private individual' AND "Story no." = '018'