Table: wales_election_2011
Columns: date_s_conducted
polling_organisation_client
cons
plaid_cymru
lib_dem
others
lead

Question: What is the cons for lib dem of 8% and a lead of 27%
SQL: SELECT "cons" FROM wales_election_2011 WHERE "lib_dem" = '8%' AND "lead" = '27%'

Question: I want the lead for others being 5%
SQL: SELECT "lead" FROM wales_election_2011 WHERE "others" = '5%'

Question: I want the plaid cymru for 4 may 2011
SQL: SELECT "plaid_cymru" FROM wales_election_2011 WHERE "date_s_conducted" = '4 may 2011'

Question: I want the plaid cymru for Polling organisation/client of yougov/itv wales for 4 may 2011
SQL: SELECT "plaid_cymru" FROM wales_election_2011 WHERE "polling_organisation_client" = 'yougov/itv wales' AND "date_s_conducted" = '4 may 2011'

Question: Name the others for cons of 21% and lead of 24%
SQL: SELECT "others" FROM wales_election_2011 WHERE "cons" = '21%' AND "lead" = '24%'

Question: Tell me the dates conducted for plaid cymru of 19%
SQL: SELECT "date_s_conducted" FROM wales_election_2011 WHERE "plaid_cymru" = '19%'