CREATE TABLE table_40863 ("Record" TEXT, "Athlete" TEXT, "Nation" TEXT, "Venue" TEXT, "Date" TEXT)

What is the Nation when the Athlete was emma george, and a Record of 4.58m(15ft0 in)?
SELECT "Nation" FROM table_40863 WHERE "Athlete" = 'emma george' AND "Record" = '4.58m(15ft0¼in)'
SELECT "Nation" FROM "table_40863" WHERE "Athlete" = 'emma george' AND "Record" = '4.58m(15ft0¼in)'