CREATE TABLE table_71240 ("Name" CLOB, "Street address" CLOB, "Years as tallest" CLOB, "Height ft  ( m ) " CLOB, "Floors" CLOB, "Architect" CLOB)

How many years as tallest building was the Tenth Presbyterian Church?
SELECT "Years as tallest" FROM table_71240 WHERE "Name" = 'tenth presbyterian church'
SELECT "Years as tallest" FROM "table_71240" WHERE "Name" = 'tenth presbyterian church'