CREATE TABLE table_34045 ("Date" TEXT, "Opponents" TEXT, "H / A" TEXT, "Result F \\u2013 A" TEXT, "Attendance" FLOAT)

What was the Attendance when Lincoln City was the Opponents with H/A of A?
SELECT COUNT("Attendance") FROM table_34045 WHERE "Opponents" = 'lincoln city' AND "H / A" = 'a'
SELECT COUNT("Attendance") FROM "table_34045" WHERE "H / A" = 'a' AND "Opponents" = 'lincoln city'