user: Question: What is the 3utr sequence when the genbank id is HQ021437? 
Columns: ['Variant id', '5’UTR splice', 'Coding', '3’UTR sequence', 'GenBank id']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["AD'6A", 'AD’', '6A', '6A', 'HQ021433']
SQL:

assistant: SELECT "3’UTR sequence" FROM "Table" WHERE "GenBank id" = 'HQ021437';