CREATE TABLE table_name_60 (winning_party_2007 VARCHAR(255), constituency VARCHAR(255), result VARCHAR(255), swing_to_gain VARCHAR(255))
Name the winning party 2007 for result of labour hold and swing to gain less than 7.11 for wrexham
    
SQL: SELECT winning_party_2007 FROM table_name_60 WHERE result = "labour hold" AND swing_to_gain < 7.11 AND constituency = "wrexham"