CREATE TABLE table_75397 ("Years tallest" CLOB, "Name" CLOB, "Height ft / m" CLOB, "Floors" FLOAT, "Year completed" FLOAT)

How tall is the florida life building, completed before 1990?
SELECT "Height ft / m" FROM table_75397 WHERE "Year completed" < '1990' AND "Name" = 'florida life building'
SELECT "Height ft / m" FROM "table_75397" WHERE "Name" = 'florida life building' AND "Year completed" < '1990'