CREATE TABLE table_name_66 (share_of_seats VARCHAR(255), general_election VARCHAR(255), seats VARCHAR(255), name VARCHAR(255))
Which Share of seats has Seats smaller than 52, and a Name of sdp–liberal alliance, and a General election of 1983?
    
SQL: SELECT share_of_seats FROM table_name_66 WHERE seats < 52 AND name = "sdp–liberal alliance" AND general_election = 1983