SCHEMA:
CREATE TABLE table_168274_1 (index_weighting___percentage__at_17_january_2013 VARCHAR, ticker_symbol VARCHAR)
USER:
Name the index weighting % for 17 januaary 2013 for rno

QUERY:
SELECT index_weighting___percentage__at_17_january_2013 FROM table_168274_1 WHERE ticker_symbol = "RNO"