### Instruction:
How many of Farington's buildings are designated Grade 3?

### Input:
Farington is a civil parish in the South Ribble district of Lancashire, England. It contains seven listed buildings that are recorded in the National Heritage List for England. All of the listed buildings are designated at Grade II, the lowest of the three grades, which is applied to "buildings of national importance and special interest". The parish is largely residential and contains the former villages of Farington and Farington Moss. The listed buildings comprise houses and associated structures, and a church.

### Response:
None of Farington's buildings are designated Grade 3. All of Farington's buildings are designated Grade II (Grade 2).