CREATE TABLE "hydrocarbons" (
  "chemical_class" text,
  "group" text,
  "formula" text,
  "prefix" text,
  "suffix" text,
  "example" text
);

Question: What is the Suffix for the Group of Benzyl?
SQL: SELECT "suffix" FROM "hydrocarbons" WHERE "group"='benzyl';

Question: Which Formula has a Prefix of alkyl-?
SQL: SELECT "formula" FROM "hydrocarbons" WHERE "prefix"='alkyl-';