CREATE TABLE "translators" (
  "call_sign" text,
  "frequency_m_hz" real,
  "city_of_license" text,
  "erp_w" real,
  "class" text,
  "fcc_info" text
);

Question: What was the call sign for ERP W of 99?
SQL: SELECT "call_sign" FROM "translators" WHERE "erp_w"=99;