CREATE TABLE table_20278 ("Name" TEXT, "Overs Bowled" TEXT, "Maidens" FLOAT, "Runs Conceded" FLOAT, "Wickets" FLOAT, "Extras" FLOAT, "E.R." TEXT)

How many runs conceded when the earned runs was 4.96?
SELECT "Runs Conceded" FROM table_20278 WHERE "E.R." = '4.96'
SELECT "Runs Conceded" FROM "table_20278" WHERE "E.R." = '4.96'