CREATE TABLE table_29283 ("Position" FLOAT, "Building" TEXT, "City" TEXT, "Height" TEXT, "Number of floors" FLOAT, "Completion" FLOAT)

How many positions does building Costanera Center Torre 1 have?
SELECT COUNT("Position") FROM table_29283 WHERE "Building" = 'Costanera Center Torre 1'
SELECT COUNT("Position") FROM "table_29283" WHERE "Building" = 'Costanera Center Torre 1'