CREATE TABLE table_51943 ("Name" CLOB, "Street address" CLOB, "Years as tallest" CLOB, "Height ft  ( m ) " CLOB, "Floors" FLOAT)

What is the street address for the Prudential Tower building?
SELECT "Street address" FROM table_51943 WHERE "Name" = 'prudential tower'
SELECT "Street address" FROM "table_51943" WHERE "Name" = 'prudential tower'