CREATE TABLE table_29347 ("Rank" FLOAT, "Total USD" FLOAT, "Project name" TEXT, "Creator" TEXT, "Category" TEXT, "% funded" FLOAT, "Backers" FLOAT, "Closing date" TEXT)

What was the category of the project name Mighty No. 9?
SELECT "Category" FROM table_29347 WHERE "Project name" = 'Mighty No. 9'
SELECT "Category" FROM "table_29347" WHERE "Project name" = 'Mighty No. 9'