find the min and max of a subset of a column

Maybe I should be asking how to depict a section of spreadsheet…

A	B	C	D	E	F	G

1 Gen Type Boat rating Section 1 Section 2 Section 3
2
3 F 2x ?
4
5 M 2x Webster ?
6
7 F 4x+ Christie 27
8
9 F 2x Tyrell 22 00:38.87 00:25.27 00:54.63
10 00:38.87 01:04.14 01:58.77
11 F 4x- Christie? ? 00:39.59 00:27.97 00:53.08
12 00:39.59 01:07.56 02:00.64
13 M R4+ Green ?
14
15 M R4+ noname ? 00:45.29 00:30.93 00:59.93
16 00:45.29 01:16.22 02:16.15
17 F 4x- christie 27 00:39.66 00:24.82 00:50.56
18 00:39.66 01:04.48 01:55.04
19 X 8+ Bartels 24 00:40.27 00:29.05 00:54.04
20 00:40.27 01:09.32 02:03.36
21 F 2x Tyrell 00:43.24 00:27.93 00:50.35
22
23 M 2x Dickson 28 00:30.17 00:21.91 00:42.64
24

Find the min of col E for those rows which contain 2x in col B