user: Question: How many values of free float for the BSE code of 4EH?
Columns: ['BSE Code', 'Company', 'City', 'GICS Sector', 'Free float', 'Index weighting (%']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['6AB', 'Albena AD', 'Albena', 'Tourism', '0.1836', '1']
SQL:

assistant: SELECT COUNT("Free float") FROM "Table" WHERE "BSE Code" = '4EH';