what is [ ] when [a] is [ / ]?
CREATE TABLE table_23621 (
    "\u0410 \u0430 [a]" text,
    "\u0411 \u0431 [b]" text,
    "\u0412 \u0432 [v]" text,
    "\u0413 \u0433 [\u0261]" text,
    "\u0413\u044c \u0433\u044c [\u0261\u02b2]" text,
    "\u0413\u04d9 \u0433\u04d9 [\u0261\u02b7]" text,
    "\u0494 \u0495 [\u0281/\u0263]" text,
    "\u0494\u044c \u0495\u044c [\u0281\u02b2/\u0263\u02b2]" text
)
SELECT "\u0413 \u0433 [\u0261]" FROM table_23621 WHERE "\u0410 \u0430 [a]" = 'Ҕә ҕә [ʁʷ/ɣʷ]'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: what is [ ] when [a] is [ / ]? ### Input: CREATE TABLE table_23621 (
    "\u0410 \u0430 [a]" text,
    "\u0411 \u0431 [b]" text,
    "\u0412 \u0432 [v]" text,
    "\u0413 \u0433 [\u0261]" text,
    "\u0413\u044c \u0433\u044c [\u0261\u02b2]" text,
    "\u0413\u04d9 \u0433\u04d9 [\u0261\u02b7]" text,
    "\u0494 \u0495 [\u0281/\u0263]" text,
    "\u0494\u044c \u0495\u044c [\u0281\u02b2/\u0263\u02b2]" text
) ### Response: SELECT "\u0413 \u0433 [\u0261]" FROM table_23621 WHERE "\u0410 \u0430 [a]" = 'Ҕә ҕә [ʁʷ/ɣʷ]'