SCHEMA:
CREATE TABLE table_name_60 (winning_party_2007 VARCHAR, constituency VARCHAR, result VARCHAR, swing_to_gain VARCHAR)
USER:
Name the winning party 2007 for result of labour hold and swing to gain less than 7.11 for wrexham

QUERY:
SELECT winning_party_2007 FROM table_name_60 WHERE result = "labour hold" AND swing_to_gain < 7.11 AND constituency = "wrexham"