CREATE TABLE "initial_unstressed_syllables" (
  "17th_c" text,
  "american" text,
  "british" text,
  "australian" text,
  "examples" text
);

Question: What is 17th c., when American is "ə"?
SQL: SELECT "17th_c" FROM "initial_unstressed_syllables" WHERE "american"='ə';

Question: What is British, when 17th c. is "ɛi"?
SQL: SELECT "british" FROM "initial_unstressed_syllables" WHERE "17th_c"='ɛi';

Question: What is 17th c., when Australian is "i, ɪ, ə", and when Examples is "œsophagus"?
SQL: SELECT "17th_c" FROM "initial_unstressed_syllables" WHERE "australian"='i, ɪ, ə' AND "examples"='œsophagus';

Question: What is Australian, when Examples is "amœba, anemone, ascesis"?
SQL: SELECT "australian" FROM "initial_unstressed_syllables" WHERE "examples"='amœba, anemone, ascesis';

Question: What is British, when Australian is "i, ɪ, ə", and when Examples is "œsophagus"?
SQL: SELECT "british" FROM "initial_unstressed_syllables" WHERE "australian"='i, ɪ, ə' AND "examples"='œsophagus';

Question: What is Australian, when Examples is "elysium, emeritus, epitome, erotica"?
SQL: SELECT "australian" FROM "initial_unstressed_syllables" WHERE "examples"='elysium, emeritus, epitome, erotica';