CREATE TABLE "units" (
  "unit" text,
  "type" text,
  "gross_mw" text,
  "construction_start" text,
  "operation_start" text
);

Question: Operation start of 2015 has what gross mw?
SQL: SELECT "gross_mw" FROM "units" WHERE "operation_start"='2015';

Question: Gross MW of 220, and a Unit of kakrapar 1 involves what operation start?
SQL: SELECT "operation_start" FROM "units" WHERE "gross_mw"='220' AND "unit"='kakrapar 1';

Question: Type of phase ii has what gross mw?
SQL: SELECT "gross_mw" FROM "units" WHERE "type"='phase ii';

Question: Construction start of phase i includes what type?
SQL: SELECT "type" FROM "units" WHERE "construction_start"='phase i';

Question: Construction start of 1 december 1984 is what unit?
SQL: SELECT "unit" FROM "units" WHERE "construction_start"='1 december 1984';

Question: Construction start of phase ii has what operation start?
SQL: SELECT "operation_start" FROM "units" WHERE "construction_start"='phase ii';