CREATE TABLE table_204_71 (id NUMBER, "rank" NUMBER, "heat" NUMBER, "name" CLOB, "nationality" CLOB, "time" CLOB, "notes" CLOB)

what is the time difference in seconds between rachel king and sriyani kulawansa ?
SELECT ABS((SELECT "time" FROM table_204_71 WHERE "name" = 'rachel king') - (SELECT "time" FROM table_204_71 WHERE "name" = 'sriyani kulawansa'))
SELECT ABS((SELECT "time" FROM "table_204_71" WHERE "name" = 'rachel king') - (SELECT "time" FROM "table_204_71" WHERE "name" = 'sriyani kulawansa'))