CREATE TABLE table_23147 ("Player" CLOB, "Team" CLOB, "Matches" FLOAT, "Overs" CLOB, "Wickets" FLOAT, "Economy Rate" CLOB, "Average" CLOB, "Strike Rate" CLOB, "BBI" CLOB, "BBM" CLOB)

What is the economy when the strike rate is 54.0?
SELECT "Economy Rate" FROM table_23147 WHERE "Strike Rate" = '54.0'
SELECT "Economy Rate" FROM "table_23147" WHERE "Strike Rate" = '54.0'