You need to rearrange your table
Longitude, Latitude, Open_space, Age, Noise, Upkeep, Cleanl, Pedest
-51 51. 2 2 -3 0 2 27
Notice, that everything is a number, the first row is the header, there are no blank rows AND, the field names are short, don't begin with a number, and have NO spaces (and don't contain reserved words)