CREATE TABLE table_68278 ("Territory" CLOB, "Abbr." CLOB, "Capital" CLOB, "Acquired" FLOAT, "Territorial status" CLOB, "Population  (  2010  ) " FLOAT, "House seat" FLOAT)

What was the population of Puerto Rico in 2010?
SELECT MAX("Population ( 2010 )") FROM table_68278 WHERE "Territory" = 'puerto rico'
SELECT MAX("Population ( 2010 )") FROM "table_68278" WHERE "Territory" = 'puerto rico'