CREATE TABLE table_204_401 (id DECIMAL, "rank" DECIMAL, "lane" DECIMAL, "name" TEXT, "nationality" TEXT, "react" DECIMAL, "time" DECIMAL, "notes" TEXT)

the difference between yelizaveta bryzhina 's time and ksenija balta 's time ?
SELECT ABS((SELECT "time" FROM table_204_401 WHERE "name" = 'yelizaveta bryzhina') - (SELECT "time" FROM table_204_401 WHERE "name" = 'ksenija balta'))
SELECT ABS((SELECT "time" FROM "table_204_401" WHERE "name" = 'yelizaveta bryzhina') - (SELECT "time" FROM "table_204_401" WHERE "name" = 'ksenija balta'))