CREATE TABLE table_20066 ("Name" CLOB, "Year" FLOAT, "Landfall" CLOB, "NHC Advisory Number" CLOB, "V ( mph ) " FLOAT, "R ( miles ) " FLOAT, "Saffir-Simpson Category" FLOAT, "CHI" CLOB)

What is the maximum miles per hour recorded when the CHI (Carvill Hurricane Index) is equal to 13.5
SELECT MAX("V(mph)") FROM table_20066 WHERE "CHI" = '13.5'
SELECT MAX("V(mph)") FROM "table_20066" WHERE "CHI" = '13.5'