Question: what is the 1-letter for the amino acid Asparagine?
SQL: SELECT "1-Letter" FROM "2-1207-4" WHERE "Amino Acid" = 'Asparagine';

Question: what is the side-chain polarity for the amino acid with the 1-letter V?
SQL: SELECT "Side-chain polarity" FROM "2-1207-4" WHERE "1-Letter" = 'V';

Question: What is the side-chain charge (Ph 7.4) for the amino acid with the 1-letter P?
SQL: SELECT "Side-chain charge (pH 7.4)" FROM "2-1207-4" WHERE "1-Letter" = 'P';