CREATE TABLE table_23619 ("\\u0410 \\u0430 [a]" CLOB, "\\u0411 \\u0431 [b]" CLOB, "\\u0412 \\u0432 [v]" CLOB, "\\u0413 \\u0433 [\\u0261]" CLOB, "\\u0413\\u044c \\u0433\\u044c [\\u0261\\u02b2]" CLOB, "\\u0413\\u04d9 \\u0433\\u04d9 [\\u0261\\u02b7]" CLOB, "\\u0494 \\u0495 [\\u0281/\\u0263]" CLOB, "\\u0494\\u044c \\u0495\\u044c [\\u0281\\u02b2/\\u0263\\u02b2]" CLOB)

what is [ ] when [ / ] is [t ]?
SELECT "\u0413\u04d9 \u0433\u04d9 [\u0261\u02b7]" FROM table_23619 WHERE "\u0494\u044c \u0495\u044c [\u0281\u02b2/\u0263\u02b2]" = 'Ҭә ҭә [tʷʰ]'
SELECT "\u0413\u04d9 \u0433\u04d9 [\u0261\u02b7]" FROM "table_23619" WHERE "\u0494\u044c \u0495\u044c [\u0281\u02b2/\u0263\u02b2]" = 'Ҭә ҭә [tʷʰ]'