CREATE TABLE table_23623 ("\\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)

what is [a] when [ ] is [l]?
SELECT "\u0410 \u0430 [a]" FROM table_23623 WHERE "\u0413\u044c \u0433\u044c [\u0261\u02b2]" = 'Л л [l]'
SELECT "\u0410 \u0430 [a]" FROM "table_23623" WHERE "\u0413\u044c \u0433\u044c [\u0261\u02b2]" = 'Л л [l]'