CREATE TABLE table_204_490 (id NUMBER, "position" CLOB, "name" CLOB, "height" CLOB, "weight" CLOB, "birthdate" CLOB, "birthplace" CLOB, "2009-10 team" CLOB)

which state was the birthplace for the most american 2010 olympic women 's hockey roster ?
SELECT "birthplace" FROM table_204_490 GROUP BY "birthplace" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "birthplace" FROM "table_204_490" GROUP BY "birthplace" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY