Table: cac_40_companies
Columns: company
icb_sector
ticker_symbol
index_weighting_at_17_january_2013
market_cap_at_april_2013

Question: Name the total number of index weighting % at 17 january 2013 for bouygues
SQL: SELECT COUNT("index_weighting_at_17_january_2013") FROM cac_40_companies WHERE "company" = 'Bouygues'

Question: Name the icb sector for ai
SQL: SELECT "icb_sector" FROM cac_40_companies WHERE "ticker_symbol" = 'AI'

Question: Name the company where index weighting % is 11.96
SQL: SELECT "company" FROM cac_40_companies WHERE "index_weighting_at_17_january_2013" = '11.96'

Question: Name the index weighting % for 17 januaary 2013 for rno
SQL: SELECT "index_weighting_at_17_january_2013" FROM cac_40_companies WHERE "ticker_symbol" = 'RNO'