user: Question: How many times is the accession number XP_001843282?
Columns: ['Species', 'Common Name', 'Protein Name', 'Accession Number', 'NT Length', 'NT Identity', 'AA Length', 'AA Identity', 'E-Value']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Homo sapiens', 'Human', 'C11orf73', 'NM_016401', '1187 bp', '100%', '197 aa', '100%', '0']
SQL:

assistant: SELECT COUNT("Common Name") FROM "Table" WHERE "Accession Number" = 'XP_001843282';