Question: Which sign has a Red border and a Warning sign?
SQL: SELECT "Text/Symbol" FROM "2-10934831-1" WHERE "Border" = 'Red' AND "Type of sign" = 'Warning';

Question: Which sign had a Yellow background and a Triangular shape?
SQL: SELECT "Border" FROM "2-10934831-1" WHERE "Background colour" = 'Yellow' AND "Shape" = 'Triangular';

Question: Which sign has a Red border?
SQL: SELECT "Text/Symbol" FROM "2-10934831-1" WHERE "Border" = 'Red';

Question: Which color is the background of the Mandatory instructions?
SQL: SELECT "Background colour" FROM "2-10934831-1" WHERE "Type of sign" = 'Mandatory instructions';

Question: What is the color of the background of the White border and sign of Information?
SQL: SELECT "Background colour" FROM "2-10934831-1" WHERE "Border" = 'White' AND "Type of sign" = 'Information';